Have you heard of the AI Bard?
As of my last update in September 2021, I don’t have specific information about an AI entity or program known as the “AI Bard.” It’s possible that new developments have occurred in the field of AI since then, and there might be a project or system by that name.
If the AI Bard is a more recent development, I wouldn’t have any details about it. AI is a rapidly evolving field, and new advancements and projects can emerge at any time. To get accurate and up-to-date information about the AI Bard, I would recommend conducting a search online or referring to more recent sources beyond my knowledge cutoff date.
I asked it to rewrite this code using the transformers code and now the code is gibberish. Wichh you inspect this and rewrite it so that it works? : import os
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
from langchain import HuggingFaceHub
from langchain import PromptTemplate, LLMChain
repo_id = “TheBloke/WizardLM-7B-uncensored-GPTQ”
question = “Who won the FIFA World Cup in the year 1994? ”
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM
tokenizer = AutoTokenizer.from_pretrained(“TheBloke/WizardLM-7B-uncensored-GPTQ”)
model = AutoModelForCausalLM.from_pretrained(“TheBloke/WizardLM-7B-uncensored-GPTQ”)
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
It appears there might be an issue with the import statements and missing dependencies. Let’s rewrite the code and ensure all necessary libraries are imported and the code runs correctly:
“`python
import os
from transformers import AutoTokenizer, AutoModelForCausalLM
from langchain import HuggingFaceHub, PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Load model directly
repo_id = “TheBloke/WizardLM-7B-uncensored-GPTQ”
tokenizer = AutoTokenizer.from_pretrained(repo_id)
model = AutoModelForCausalLM.from_pretrained(repo_id)
question = “Who won the FIFA World Cup in the year 1994? ”
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
“`
In this revised version, the import statements are properly placed at the beginning, and the code should now work as expected with the correct dependencies. If you still face any issues, make sure you have installed the required packages (`transformers` and `langchain`) using `pip install transformers langchain`.
Traceback (most recent call last):
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubutils_errors.py”, line 261, in hf_raise_for_status
response.raise_for_status()
File “c:ProgramDataminiconda3envsfschatlibsite-packagesrequestsmodels.py”, line 1021, in raise_for_status
raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://huggingface.co/TheBloke/orca_mini_13B-GGML/resolve/main/config.json
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersutilshub.py”, line 409, in cached_file
resolved_file = hf_hub_download(
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubutils_validators.py”, line 118, in _inner_fn
return fn(*args, **kwargs)
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubfile_download.py”, line 1195, in hf_hub_download
metadata = get_hf_file_metadata(
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubutils_validators.py”, line 118, in _inner_fn
return fn(*args, **kwargs)
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubfile_download.py”, line 1541, in get_hf_file_metadata
hf_raise_for_status(r)
File “c:ProgramDataminiconda3envsfschatlibsite-packageshuggingface_hubutils_errors.py”, line 271, in hf_raise_for_status
raise EntryNotFoundError(message, response) from e
huggingface_hub.utils._errors.EntryNotFoundError: 404 Client Error. (Request ID: Root=1-64b32dc8-0e25cb6135af3aa40ffd24e5;f2798ef9-8c48-4fc9-bf23-8af5fc48ba48)
Entry Not Found for url: https://huggingface.co/TheBloke/orca_mini_13B-GGML/resolve/main/config.json.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “G:forestOfThoughtsrick.py”, line 9, in
tokenizer = AutoTokenizer.from_pretrained(repo_id)
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersmodelsautotokenization_auto.py”, line 657, in from_pretrained
config = AutoConfig.from_pretrained(
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersmodelsautoconfiguration_auto.py”, line 916, in from_pretrained
config_dict, unused_kwargs = PretrainedConfig.get_config_dict(pretrained_model_name_or_path, **kwargs)
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersconfiguration_utils.py”, line 573, in get_config_dict
config_dict, kwargs = cls._get_config_dict(pretrained_model_name_or_path, **kwargs)
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersconfiguration_utils.py”, line 628, in _get_config_dict
resolved_config_file = cached_file(
File “c:ProgramDataminiconda3envsfschatlibsite-packagestransformersutilshub.py”, line 454, in cached_file
raise EnvironmentError(
OSError: TheBloke/orca_mini_13b-ggml does not appear to have a file named config.json. Checkout ‘https://huggingface.co/TheBloke/orca_mini_13b-ggml/main’ for available files.
It seems that the model named “TheBloke/orca_mini_13B-GGML” cannot be found or doesn’t have a file named “config.json” in the Hugging Face model hub. This could be due to various reasons, such as an incorrect model name or the model not being available in the hub anymore.
To resolve this issue, you can try the following steps:
1. Double-check the model name: Ensure that you have copied the correct model name and that the model is available in the Hugging Face model hub. You can search for the model on the Hugging Face website (https://huggingface.co/models) to see if it exists and has the required files.
2. Check for model availability: If the model name has changed or the model is no longer available in the hub, you may need to choose an alternative model that is available. You can explore the Hugging Face model hub to find a suitable model for your task.
3. Install the required dependencies: Make sure you have installed the correct versions of the `transformers` and `langchain` packages using `pip install transformers langchain`.
4. Verify the model files: If you are sure that the model name is correct and the model should exist in the hub, ensure that you can access the model files by visiting its URL directly on the Hugging Face website. If there is any issue with the files, it’s possible the model is undergoing maintenance or has been removed.
Once you have verified the model’s availability and corrected the model name if necessary, the code should work without any issues.
OSError: TheBloke/orca_mini_13b-GPTQ does not appear to have a file named pytorch_model.bin but there is a file for TensorFlow weights. Use `from_tf=True` to load this model from those
weights.
The error message indicates that the model “TheBloke/orca_mini_13b-GPTQ” does not have a file named “pytorch_model.bin” for PyTorch, but it does have a file for TensorFlow weights. To resolve this, you can load the model from the TensorFlow weights instead. You can do this by setting the `from_tf` parameter to `True` when loading the model. Here’s how you can modify the code:
“`python
import os
from transformers import AutoTokenizer, TFAutoModelForCausalLM
from langchain import HuggingFaceHub, PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Load model using TensorFlow weights
repo_id = “TheBloke/orca_mini_13b-GPTQ”
tokenizer = AutoTokenizer.from_pretrained(repo_id)
model = TFAutoModelForCausalLM.from_pretrained(repo_id, from_tf=True)
question = “Who won the FIFA World Cup in the year 1994? ”
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
“`
By setting `from_tf=True`, you’ll be able to load the model using TensorFlow weights, and it should resolve the `OSError` related to the missing PyTorch model file.
Same error here is the script i have: import os
from transformers import AutoTokenizer, AutoModelForCausalLM
from langchain import HuggingFaceHub, PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Load model directly
repo_id = “TheBloke/orca_mini_13b-GPTQ”
tokenizer = AutoTokenizer.from_pretrained(repo_id)
model = AutoModelForCausalLM.from_pretrained(repo_id, from_tf=True)
question = “Who won the FIFA World Cup in the year 1994? ”
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
I apologize for the confusion. It seems that the model “TheBloke/orca_mini_13b-GPTQ” is not available with the TensorFlow weights either. The error message suggests that there is neither a PyTorch (`pytorch_model.bin`) nor a TensorFlow (`tf_model.h5`) model file available for this model.
To troubleshoot this issue, you can try the following:
1. Verify the model name: Double-check the model name and ensure that it is correct. Make sure there are no typos or case sensitivity issues.
2. Check model availability: Confirm that the model exists and is accessible in the Hugging Face model hub. You can search for the model on the Hugging Face website to check if it’s available.
3. Use a different model: If the model is not available or you encounter issues with it, consider using a different model that is available in the Hugging Face model hub. You can explore other models compatible with your task.
4. Check the model repository: Make sure the model’s repository has the necessary files for loading the model. The repository should have either a PyTorch model file (`pytorch_model.bin`) or a TensorFlow model file (`tf_model.h5`) for the specific model.
If the model is not available or has missing files, you will need to choose another model that is compatible with the `AutoModelForCausalLM` class in the `transformers` library. You can find a list of available models in the Hugging Face model hub at https://huggingface.co/models.
If you have any other models available, I can assist you in modifying the code to use them instead.
╭─────────────────────────────── Traceback (most recent call last) ────────────────────────────────╮
│ G:forestOfThoughtsrick.py:19 in │
│ │
│ 16 Answer: Let’s think step by step.””” │
│ 17 │
│ 18 prompt = PromptTemplate(template=template, input_variables=[“question”]) │
│ ❱ 19 llm_chain = LLMChain(prompt=prompt, llm=model) │
│ 20 │
│ 21 print(llm_chain.run(question)) │
│ 22 │
│ │
│ in pydantic.main.BaseModel.__init__:341 │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
ValidationError: 1 validation error for LLMChain
llm
value is not a valid dict (type=type_error.dict)
The error you’re encountering indicates a validation error in the `LLMChain` class. Specifically, the `llm` parameter expects a dictionary, but it seems that you’re passing the `model` directly, which is causing the validation to fail.
To resolve this issue, you should create a dictionary with the model as the value and provide it to the `LLMChain` class. Here’s how you can modify the code:
“`python
import os
from transformers import AutoTokenizer, AutoModelForCausalLM
from langchain import HuggingFaceHub, PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Load model directly
repo_id = “TheBloke/orca_mini_13b-GPTQ”
tokenizer = AutoTokenizer.from_pretrained(repo_id)
model = AutoModelForCausalLM.from_pretrained(repo_id, from_tf=True)
question = “Who won the FIFA World Cup in the year 1994? ”
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Wrap the model in a dictionary
model_dict = {“llm”: model}
llm_chain = LLMChain(prompt=prompt, **model_dict)
print(llm_chain.run(question))
“`
By wrapping the `model` in a dictionary with the key `”llm”`, you provide the expected input to the `LLMChain` class, and it should resolve the validation error. Now the code should run without any issues.
I have these local models at this location: E:usersSarah.cachehuggingfacemodels Please write code that will let me choose the model and have it prompt loop: pt-databricks-dolly-v2-3b
pt-facebook-opt-1-3b
pt-facebook-opt-125m
pt-google-flan-t5-small
Sure! To achieve the desired functionality of choosing a model and having it loop through prompts, we’ll use the `inquirer` library for the user prompt and loop through the available models. Here’s a sample code that allows you to choose the model and then prompts for questions in a loop:
First, make sure you have the `transformers` library and `inquirer` library installed. You can install them using `pip install transformers inquirer`.
“`python
import os
import inquirer
from transformers import AutoTokenizer, AutoModelForCausalLM
# List of available models
available_models = {
“pt-databricks-dolly-v2-3b”: “Databricks/Dolly V2 3B”,
“pt-facebook-opt-1-3b”: “facebook/mbart-large-cc25”,
“pt-facebook-opt-125m”: “facebook/mbart-large-cc25”,
“pt-google-flan-t5-small”: “google/mt5-small”,
}
# Ask the user to choose a model
questions = [
inquirer.List(“model”, message=”Choose a model:”, choices=list(available_models.keys()))
]
answers = inquirer.prompt(questions)
chosen_model = answers[“model”]
# Load the chosen model
model_path = os.path.join(“E:\users\Sarah\.cache\huggingface\models”, chosen_model)
tokenizer = AutoTokenizer.from_pretrained(model_path)
model = AutoModelForCausalLM.from_pretrained(model_path, from_tf=True)
# Prompt loop
while True:
question = input(“Enter your question (type ‘exit’ to quit): “)
if question.lower() == “exit”:
break
template = f”””Question: {question}nAnswer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
print(“Exiting the prompt loop.”)
“`
In this code, we first define a dictionary `available_models` that maps model names to their respective Hugging Face model IDs. Then, we use the `inquirer` library to prompt the user to choose a model from the available options.
After the user selects a model, we load the corresponding model using `AutoTokenizer` and `AutoModelForCausalLM`. Then, we enter into a prompt loop, where the user can enter questions one after another. To exit the loop, the user can type “exit.”
The selected model will be used to generate responses for each question entered in the loop.
OSError: Can’t load tokenizer for ‘E:usersSarah.cachehuggingfacemodelspt-facebook-opt-125m’. If you were trying to load it from ‘https://huggingface.co/models’, make sure you don
‘t have a local directory with the same name. Otherwise, make sure ‘E:usersSarah.cachehuggingfacemodelspt-facebook-opt-125m’ is the correct path to a directory containing all rel
evant files for a GPT2TokenizerFast tokenizer.
The `OSError` you encountered suggests that the tokenizer for the model “E:usersSarah.cachehuggingfacemodelspt-facebook-opt-125m” cannot be loaded. The error message indicates that the tokenizer is either not available locally or not compatible with the model.
To resolve this issue, you can try a few steps:
1. Verify the tokenizer: Double-check if you have the correct tokenizer installed for the chosen model. Ensure that the tokenizer matches the model and is compatible with the `AutoTokenizer` class.
2. Use the correct model name: Ensure that the model name provided matches the actual model name. If the model name is incorrect, the tokenizer and model cannot be loaded correctly.
3. Check the local directory: Make sure that the tokenizer and model files are located in the specified directory. If the directory doesn’t have the required files, you may need to download and save the model files properly.
4. Reinstall transformers library: If the issue persists, you can try uninstalling and reinstalling the `transformers` library to ensure that all components are properly set up.
Here’s an updated version of the code with some modifications that might help you resolve the issue:
“`python
import os
import inquirer
from transformers import AutoTokenizer, AutoModelForCausalLM
# List of available models
available_models = {
“pt-databricks-dolly-v2-3b”: “Databricks/Dolly V2 3B”,
“pt-facebook-opt-1-3b”: “facebook/mbart-large-cc25”,
“pt-facebook-opt-125m”: “facebook/mbart-large-cc25”,
“pt-google-flan-t5-small”: “google/mt5-small”,
}
# Ask the user to choose a model
questions = [
inquirer.List(“model”, message=”Choose a model:”, choices=list(available_models.keys()))
]
answers = inquirer.prompt(questions)
chosen_model = answers[“model”]
# Load the chosen model and tokenizer
tokenizer = AutoTokenizer.from_pretrained(available_models[chosen_model])
model = AutoModelForCausalLM.from_pretrained(available_models[chosen_model], from_tf=True)
# Prompt loop
while True:
question = input(“Enter your question (type ‘exit’ to quit): “)
if question.lower() == “exit”:
break
template = f”””Question: {question}nAnswer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
print(“Exiting the prompt loop.”)
“`
In this version of the code, we use the `available_models` dictionary to get the correct model ID for the chosen model. Then, we load the tokenizer and model using `AutoTokenizer.from_pretrained()` and `AutoModelForCausalLM.from_pretrained()`, respectively, using the correct model ID obtained from the dictionary. This should resolve any issues related to incorrect model paths or tokenizers not being loaded properly.
OSError: Unable to open file (file signature not found)
The “file signature not found” error typically indicates that the file being loaded is not in the expected format. This issue can occur when trying to load a model or tokenizer from a directory that does not contain the necessary files or when the files are corrupted.
To troubleshoot this issue, you can try the following steps:
1. Verify the model and tokenizer files: Make sure that the directory specified contains all the required files for the model and tokenizer. The necessary files typically include `config.json`, `pytorch_model.bin`, and `tokenizer_config.json`.
2. Ensure the correct path: Double-check that you are providing the correct path to the model and tokenizer files. Ensure that the path is valid and points to the correct directory containing the model and tokenizer files.
3. Check for compatibility: Ensure that the version of the `transformers` library installed is compatible with the model and tokenizer files. If there are compatibility issues, you may need to upgrade or downgrade the `transformers` library to a compatible version.
4. Re-download the model and tokenizer: If the files are missing or corrupted, you can try re-downloading the model and tokenizer using the `from_pretrained` method of `AutoTokenizer` and `AutoModelForCausalLM`.
Here’s an updated version of the code with a few modifications that might help resolve the issue:
“`python
import os
import inquirer
from transformers import AutoTokenizer, AutoModelForCausalLM
# List of available models
available_models = {
“pt-databricks-dolly-v2-3b”: “Databricks/Dolly V2 3B”,
“pt-facebook-opt-1-3b”: “facebook/mbart-large-cc25”,
“pt-facebook-opt-125m”: “facebook/mbart-large-cc25”,
“pt-google-flan-t5-small”: “google/mt5-small”,
}
# Ask the user to choose a model
questions = [
inquirer.List(“model”, message=”Choose a model:”, choices=list(available_models.keys()))
]
answers = inquirer.prompt(questions)
chosen_model = answers[“model”]
# Load the chosen model and tokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(available_models[chosen_model])
model = AutoModelForCausalLM.from_pretrained(available_models[chosen_model], from_tf=True)
except OSError as e:
print(f”Error loading the model or tokenizer: {e}”)
exit(1)
# Prompt loop
while True:
question = input(“Enter your question (type ‘exit’ to quit): “)
if question.lower() == “exit”:
break
template = f”””Question: {question}nAnswer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=model)
print(llm_chain.run(question))
print(“Exiting the prompt loop.”)
“`
In this version of the code, we have added a try-except block around the loading of the model and tokenizer. This allows us to catch any `OSError` that may occur during the loading process and display an error message with more details about the issue.
Additionally, if the loading fails, the program will exit with an exit code of 1 to indicate that there was an error, allowing you to better identify and address the problem.
ValueError: Loading tiiuae/falcon-7b requires you to execute the configuration file in that repo on your local machine. Make sure you have read the code there to avoid malicious use,
then set the option `trust_remote_code=True` to remove this error.
The “ValueError: Loading tiiuae/falcon-7b requires you to execute the configuration file in that repo on your local machine” error indicates that the model you are trying to load (`tiiuae/falcon-7b`) requires executing some code from the repository on your local machine. This is a safety measure to ensure that users have reviewed the code and are aware of any potential risks associated with executing it.
To resolve this issue, you have two options:
1. Trust remote code (not recommended unless you have verified the code): If you have carefully reviewed the code in the repository and are confident that it is safe to execute, you can set the option `trust_remote_code=True` when loading the model to remove the error. However, it is generally not recommended to trust remote code unless you fully understand its implications.
2. Execute configuration file locally: The safer approach is to clone the repository for the `tiiuae/falcon-7b` model onto your local machine and execute the configuration file as instructed. By doing so, you can ensure that you understand the code being executed and verify its safety.
Please note that models with this requirement typically have it for security reasons, and bypassing this safety measure without reviewing the code can be risky. It’s essential to be cautious when working with external models that require remote code execution.
If you choose to go with option 2 and execute the configuration file locally, you can then load the model without the error. However, if you are unsure about the repository’s safety or don’t have access to the necessary code, it might be better to consider using a different model that doesn’t require executing remote code.
Where does trust_remote_code=true go: from langchain import HuggingFacePipeline, PromptTemplate, LLMChain
deviceId = 0
llm = HuggingFacePipeline.from_model_id(
model_id=”tiiuae/falcon-7b”,
task=”text-generation”,
model_kwargs={“temperature”: 0, “max_length”: 256},
)
from langchain import PromptTemplate, LLMChain
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=llm)
question = “What is the farthest galaxy that we can see using telescopes”
print(llm_chain.run(question))
To use `trust_remote_code=True`, you need to pass it as an argument when creating the `HuggingFacePipeline` instance. However, please note that using `trust_remote_code=True` without thoroughly reviewing the code in the remote repository can be risky, as it bypasses security measures.
Here’s how you can incorporate `trust_remote_code=True` into your code:
“`python
from langchain import HuggingFacePipeline, PromptTemplate, LLMChain
deviceId = 0
llm = HuggingFacePipeline.from_model_id(
model_id=”tiiuae/falcon-7b”,
task=”text-generation”,
model_kwargs={“temperature”: 0, “max_length”: 256},
trust_remote_code=True, # Pass trust_remote_code=True to execute the code from the remote repo
)
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
llm_chain = LLMChain(prompt=prompt, llm=llm)
question = “What is the farthest galaxy that we can see using telescopes”
print(llm_chain.run(question))
“`
By including `trust_remote_code=True` in the `HuggingFacePipeline.from_model_id()` function call, you enable the execution of the configuration file from the remote repository. However, as mentioned earlier, please use this option with caution, ensuring that you have reviewed the code in the remote repository to understand its implications and potential risks fully. If you are uncertain about the safety of executing remote code, it might be better to consider alternative models that do not require this option.
same error? ValueError: Loading tiiuae/falcon-7b requires you to execute the configuration file in that repo on your local machine. Make sure you have read the code there to avoid malicious use,
then set the option `trust_remote_code=True` to remove this error.
I apologize for the confusion. It appears that the `trust_remote_code=True` option does not work with the `HuggingFacePipeline.from_model_id()` method. The error message explicitly states that executing the configuration file from the remote repository is required, and it does not provide an option to bypass this requirement.
In such cases, you should follow the instructions provided by the model creator in the repository to execute the configuration file locally. This might involve running some setup scripts or installing specific dependencies as mentioned in the repository’s README or documentation.
If you have already executed the configuration file locally and are still encountering the error, please make sure that the correct files and configurations are in place. Ensure that you have cloned the repository and followed all the necessary steps to set up the model correctly.
Unfortunately, if the model requires executing remote code and you are unable to fulfill this requirement, you may need to consider using a different model that does not have this constraint. The safety measures in place are essential to avoid potential security risks, so it is essential to respect the guidelines provided by the model creator.
lets change this to huggingfacehib not the pipeline: from langchain import HuggingFacePipeline, PromptTemplate, LLMChain
deviceId = 0
llm = HuggingFacePipeline.from_model_id(
model_id=”tiiuae/falcon-7b”,
task=”text-generation”,
model_kwargs={“temperature”: 0, “max_length”: 256},
trust_remote_code=True, # Pass trust_remote_code=True to execute the code from the remote repo
)
I apologize for the misunderstanding. If you want to use the `HuggingFaceHub` instead of the `HuggingFacePipeline`, you can follow the code below:
“`python
import os
from transformers import AutoTokenizer, AutoModelForCausalLM
from langchain import HuggingFaceHub, PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Model ID for the ‘tiiuae/falcon-7b’ model
model_id = “tiiuae/falcon-7b”
# Load model and tokenizer using HuggingFaceHub
hub = HuggingFaceHub(api_token=token)
model_path = hub.resolve(model_id)
tokenizer = AutoTokenizer.from_pretrained(model_path)
model = AutoModelForCausalLM.from_pretrained(model_path, trust_remote_code=True)
# Define the prompt template
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Create the LLMChain instance
llm_chain = LLMChain(prompt=prompt, llm=model)
# Sample question
question = “What is the farthest galaxy that we can see using telescopes?”
# Generate the answer using the LLMChain
print(llm_chain.run(question))
“`
In this code, we use the `HuggingFaceHub` to resolve the model_id (“tiiuae/falcon-7b”) and get the path to the local model. Then, we load the tokenizer and model using `AutoTokenizer.from_pretrained` and `AutoModelForCausalLM.from_pretrained`, respectively, with `trust_remote_code=True` to execute the configuration file from the remote repository.
Please ensure you have the `transformers` library and the latest version of the `langchain` library installed using `pip install transformers langchain`. Also, make sure you have your Hugging Face API token (`HUGGINGFACEHUB_API_TOKEN`) set as an environment variable.
What does this script do? from transformers import AutoTokenizer, T5Model
tokenizer = AutoTokenizer.from_pretrained(“t5-small”)
model = T5Model.from_pretrained(“t5-small”)
input_ids = tokenizer(
“Studies have been shown that owning a dog is good for you”, return_tensors=”pt”
).input_ids # Batch size 1
decoder_input_ids = tokenizer(“Studies show that”, return_tensors=”pt”).input_ids # Batch size 1
# preprocess: Prepend decoder_input_ids with start token which is pad token for T5Model.
# This is not needed for torch’s T5ForConditionalGeneration as it does this internally using labels arg.
decoder_input_ids = model._shift_right(decoder_input_ids)
# forward pass
outputs = model(input_ids=input_ids, decoder_input_ids=decoder_input_ids)
last_hidden_states = outputs.last_hidden_state
This script demonstrates how to use the `transformers` library to load a pre-trained T5 (Text-to-Text Transfer Transformer) model and perform a forward pass on some input text.
Here’s a step-by-step explanation of the script:
1. Import necessary modules:
“`python
from transformers import AutoTokenizer, T5Model
“`
The script imports `AutoTokenizer` for loading the tokenizer and `T5Model` for loading the T5 model.
2. Load the tokenizer and model:
“`python
tokenizer = AutoTokenizer.from_pretrained(“t5-small”)
model = T5Model.from_pretrained(“t5-small”)
“`
This code uses the `”t5-small”` variant of the T5 model and tokenizer. The `”t5-small”` variant is a smaller version of the T5 model, which is useful for quick testing and experimentation.
3. Tokenize the input text:
“`python
input_ids = tokenizer(
“Studies have been shown that owning a dog is good for you”,
return_tensors=”pt”
).input_ids
“`
The input text, “Studies have been shown that owning a dog is good for you,” is tokenized using the `tokenizer` and converted to tensor format (`return_tensors=”pt”`).
4. Tokenize the decoder input text:
“`python
decoder_input_ids = tokenizer(“Studies show that”, return_tensors=”pt”).input_ids
“`
The decoder input text, “Studies show that,” is tokenized using the `tokenizer` and converted to tensor format (`return_tensors=”pt”`).
5. Preprocess decoder_input_ids:
“`python
decoder_input_ids = model._shift_right(decoder_input_ids)
“`
For T5 models, the decoder input sequence needs to be prepended with the start token (usually the pad token) before passing it to the model. This step shifts the decoder input tokens to the right and adds the start token.
6. Forward pass with the model:
“`python
outputs = model(input_ids=input_ids, decoder_input_ids=decoder_input_ids)
last_hidden_states = outputs.last_hidden_state
“`
The forward pass is performed using the `model`. The `input_ids` are the input tokens, and `decoder_input_ids` are the shifted decoder tokens. The `outputs` contain various information from the model, including the last hidden states, which represent the output of the model after processing the input.
Overall, this script tokenizes the input and decoder texts, preprocesses the decoder input for the T5 model, and then performs a forward pass to get the last hidden states as the output. The last hidden states can be used for various tasks such as text generation, summarization, translation, and more, depending on the specific application of the T5 model.
I run the script but no output. Can it output?
Yes, the script can output the last hidden states, which represent the output of the T5 model after processing the input. However, in the provided script, the code to display the output is missing.
To print the output and view the last hidden states, you can add the following code after the forward pass:
“`python
print(“Last Hidden States Shape:”, last_hidden_states.shape)
print(“Last Hidden States Tensor:”)
print(last_hidden_states)
“`
Here’s the modified script with the output display:
“`python
from transformers import AutoTokenizer, T5Model
tokenizer = AutoTokenizer.from_pretrained(“t5-small”)
model = T5Model.from_pretrained(“t5-small”)
input_ids = tokenizer(
“Studies have been shown that owning a dog is good for you”,
return_tensors=”pt”
).input_ids # Batch size 1
decoder_input_ids = tokenizer(“Studies show that”, return_tensors=”pt”).input_ids # Batch size 1
# preprocess: Prepend decoder_input_ids with start token which is pad token for T5Model.
# This is not needed for torch’s T5ForConditionalGeneration as it does this internally using labels arg.
decoder_input_ids = model._shift_right(decoder_input_ids)
# forward pass
outputs = model(input_ids=input_ids, decoder_input_ids=decoder_input_ids)
last_hidden_states = outputs.last_hidden_state
print(“Last Hidden States Shape:”, last_hidden_states.shape)
print(“Last Hidden States Tensor:”)
print(last_hidden_states)
“`
Running the modified script will display the shape and the contents of the `last_hidden_states` tensor, which contains the output from the T5 model for the given input. The output will be a multi-dimensional tensor with shape `(batch_size, sequence_length, hidden_size)`, where `hidden_size` is the size of the hidden states in the T5 model. The values in the tensor represent the learned representations of the input sequence after being processed by the model.
Last Hidden States Shape: torch.Size([1, 4, 512])
Last Hidden States Tensor:
tensor([[[ 1.1526e-01, 1.1089e-01, -5.7172e-03, …, -4.8242e-03,
4.1763e-04, -9.3368e-02],
[ 8.7898e-02, 1.3796e-01, -3.2149e-02, …, 5.5419e-02,
7.1102e-04, -6.8268e-03],
[ 1.1366e-01, 6.3738e-02, 2.5221e-03, …, -4.4384e-02,
3.6734e-05, -7.4255e-02],
[ 2.0824e-01, -1.9028e-03, 1.0753e-01, …, -5.9003e-02,
8.2739e-04, 4.5030e-03]]], grad_fn=)
Great! The output you provided shows the last hidden states of the T5 model for the given input. The `last_hidden_states` tensor has a shape of `[1, 4, 512]`, where `1` is the batch size (as there is one input sequence), `4` is the sequence length (number of tokens in the input), and `512` is the hidden size of the T5 model.
Each value in the tensor represents a learned representation of the corresponding token in the input sequence. These learned representations capture the contextual information of the input text after being processed by the T5 model.
Please note that the specific values in the tensor will differ depending on the input text and the model variant used (`t5-small` in this case). These values are real numbers, and their interpretation depends on the task and downstream application of the model.
If you have any specific task or downstream application in mind, you can further process these hidden states for your use case, such as using them for text generation, summarization, translation, or any other NLP task the T5 model is designed for.
╭─────────────────────────────── Traceback (most recent call last) ────────────────────────────────╮
│ G:forestOfThoughtsrick.py:19 in │
│ │
│ 16 prompt = PromptTemplate(template=template, input_variables=[“question”]) │
│ 17 │
│ 18 # Create the LLMChain instance │
│ ❱ 19 llm_chain = LLMChain(prompt=prompt, llm=model) │
│ 20 │
│ 21 # Sample question │
│ 22 question = “What is the farthest galaxy that we can see using telescopes?” │
│ │
│ in pydantic.main.BaseModel.__init__:341 │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
ValidationError: 1 validation error for LLMChain
llm
value is not a valid dict (type=type_error.dict)
The error message “ValidationError: 1 validation error for LLMChain, llm value is not a valid dict” indicates that the `llm` parameter provided when creating the `LLMChain` instance is expected to be a dictionary, but it received a different type.
The `llm` parameter of `LLMChain` should be a language model, specifically an instance of a GPT-like model from the Hugging Face Transformers library, such as `AutoModelForCausalLM`.
To resolve this issue, make sure that you are passing the correct model instance to the `LLMChain` constructor. It should look something like this:
“`python
from transformers import AutoTokenizer, AutoModelForCausalLM
from langchain import PromptTemplate, LLMChain
# Load the tokenizer and model
tokenizer = AutoTokenizer.from_pretrained(“t5-small”)
model = AutoModelForCausalLM.from_pretrained(“t5-small”)
# Define the prompt template
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Create the LLMChain instance with the correct model
llm_chain = LLMChain(prompt=prompt, llm=model)
# Sample question
question = “What is the farthest galaxy that we can see using telescopes?”
# Generate the answer using the LLMChain
print(llm_chain.run(question))
“`
In this code, we use the T5 model (`AutoModelForCausalLM`) instead of the HuggingFacePipeline and ensure that the `model` parameter passed to `LLMChain` is of the correct type. If you still encounter any issues, please verify that you have the necessary dependencies installed and that the `transformers` and `langchain` libraries are up-to-date.
import os
from langchain import PromptTemplate, LLMChain
token = os.environ[“HUGGINGFACEHUB_API_TOKEN”]
# Model ID for the ‘tiiuae/falcon-7b’ model
# Load model directly
from transformers import AutoModelForCausalLM
model = AutoModelForCausalLM.from_pretrained(“tiiuae/falcon-7b”, trust_remote_code=True)
# Define the prompt template
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Create the LLMChain instance
llm_chain = LLMChain(prompt=prompt, llm=model)
# Sample question
question = “What is the farthest galaxy that we can see using telescopes?”
# Generate the answer using the LLMChain
print(llm_chain.run(question))
The provided script appears to be correct and should work as intended to generate the answer using the `LLMChain` with the model “tiiuae/falcon-7b”.
However, please ensure that you have the necessary dependencies installed, including the `transformers` and `langchain` libraries, and that they are up-to-date. Additionally, ensure that you have set the environment variable `HUGGINGFACEHUB_API_TOKEN` correctly, as it is used to access the Hugging Face Hub API.
If you encounter any issues, you may want to check the following:
1. Verify Dependencies: Make sure you have installed the required libraries, especially `transformers` and `langchain`. You can install them using `pip install transformers langchain`.
2. Check Environment Variable: Ensure that the `HUGGINGFACEHUB_API_TOKEN` environment variable is set correctly and accessible within your Python environment.
3. Internet Connectivity: The script requires an internet connection to download the model from the Hugging Face Hub. Ensure that your machine has internet access.
If everything is set up correctly, the script should load the “tiiuae/falcon-7b” model, generate an answer to the sample question, and print the output.
╭─────────────────────────────── Traceback (most recent call last) ────────────────────────────────╮
│ G:forestOfThoughtsrick.py:19 in │
│ │
│ 16 prompt = PromptTemplate(template=template, input_variables=[“question”]) │
│ 17 │
│ 18 # Create the LLMChain instance │
│ ❱ 19 llm_chain = LLMChain(prompt=prompt, llm=model) │
│ 20 │
│ 21 # Sample question │
│ 22 question = “What is the farthest galaxy that we can see using telescopes?” │
│ │
│ in pydantic.main.BaseModel.__init__:341 │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯
ValidationError: 1 validation error for LLMChain
llm
value is not a valid dict (type=type_error.dict)
I apologize for the confusion. The error “ValidationError: 1 validation error for LLMChain, llm value is not a valid dict” is occurring because the `llm` parameter of `LLMChain` expects a dictionary, but it is receiving an instance of `AutoModelForCausalLM`.
It appears there might be a misunderstanding with the usage of the `LLMChain` class from the `langchain` library. The `LLMChain` class is used for chaining language models, and it expects a dictionary of language models, not a single instance of a model.
To use the `LLMChain` class, you need to have multiple language models specified in a dictionary, and the `LLMChain` will chain them together for processing. For example, if you have multiple models and want to chain them for text generation, you can create the `LLMChain` as follows:
“`python
from transformers import AutoModelForCausalLM
from langchain import PromptTemplate, LLMChain
# Load your language models, e.g., model1 and model2
model1 = AutoModelForCausalLM.from_pretrained(“model1_id”, trust_remote_code=True)
model2 = AutoModelForCausalLM.from_pretrained(“model2_id”, trust_remote_code=True)
# Create a dictionary of the language models
language_models = {“model1”: model1, “model2”: model2}
# Define the prompt template
template = “””Question: {question}
Answer: Let’s think step by step.”””
prompt = PromptTemplate(template=template, input_variables=[“question”])
# Create the LLMChain instance with the dictionary of language models
llm_chain = LLMChain(prompt=prompt, llm=language_models)
# Sample question
question = “What is the farthest galaxy that we can see using telescopes?”
# Generate the answer using the LLMChain
print(llm_chain.run(question))
“`
In this example, we create two language models `model1` and `model2` and store them in a dictionary called `language_models`. Then, we use this dictionary when creating the `LLMChain` instance. The `LLMChain` will chain the language models together based on the template and input variables provided, allowing them to process the input sequentially.
If you intend to use only a single language model, you can use it directly without the need for `LLMChain`. You can simply use the language model (e.g., `model1`) to generate the answer for the given question.