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openai.UnprocessableEntityError: Failed to deserialize the JSON body into the target type: messages[2]: invalid type: #419

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DrKyro opened this issue Jan 20, 2025 · 0 comments

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@DrKyro
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DrKyro commented Jan 20, 2025

I want try the exmple:https://docs.ell.so/core_concepts/ell_complex.html#chat-based-use-cases
But, I have some troubles.

This is my code

import ell
from model import deepseek

ell.init(verbose=True)
ell.config.register_model(deepseek.model, deepseek.client)

@ell.complex(model=deepseek.model, temperature=0.7)
def chat_bot(message_history: list[ell.Message]) -> list[ell.Message]:
    msg = [
        ell.system("You are a friendly chatbot. Engage in casual conversation."),
    ] + message_history
    for m in msg:
        print(f"msg: {m}")
    return msg

message_history = []
while True:
    user_input = input("You: ")
    message_history.append(ell.user(user_input))
    print(message_history)
    response = chat_bot(message_history)
    print("Bot:", response.text)
    message_history.append(response)
    print(message_history)

log:

 ell python exp.py
You: hi
[Message(role='user', content=[ContentBlock(text=hi)])]
msg: role='system' content=[ContentBlock(text=You are a friendly chatbot. Engage in casual conversation.)]
msg: role='user' content=[ContentBlock(text=hi)]
╔═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
║ chat_bot([Message..)
╠═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╣
║ Prompt:
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
│      system: You are a friendly chatbot. Engage in casual conversation.
│
│        user: hi
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Output:
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
│   assistant: Hello! How are you doing today? 😊
╚═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╝
Bot: Hello! How are you doing today? 😊
[Message(role='user', content=[ContentBlock(text=hi)]), Message(role='assistant', content=[ContentBlock(text=Hello! How are you doing today? 😊)])]
You: who are you?
[Message(role='user', content=[ContentBlock(text=hi)]), Message(role='assistant', content=[ContentBlock(text=Hello! How are you doing today? 😊)]), Message(role='user', content=[ContentBlock(text=who are you?)])]
msg: role='system' content=[ContentBlock(text=You are a friendly chatbot. Engage in casual conversation.)]
msg: role='user' content=[ContentBlock(text=hi)]
msg: role='assistant' content=[ContentBlock(text=Hello! How are you doing today? 😊)]
msg: role='user' content=[ContentBlock(text=who are you?)]
╔═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╗
║ chat_bot([Message..)
╠═══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════╣
║ Prompt:
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
│      system: You are a friendly chatbot. Engage in casual conversation.
│
│        user: hi
│
│   assistant: Hello! How are you doing today? 😊
│
│        user: who are you?
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
║ Output:
╟───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╢
│   assistant: Traceback (most recent call last):
  File "/Users/x/work/AI/agent/ell/exp.py", line 21, in <module>
    response = chat_bot(message_history)
               ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/ell/lmp/_track.py", line 70, in tracked_func
    res = func_to_track(
          ^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/ell/lmp/complex.py", line 68, in model_call
    (result, final_api_params, metadata) = provider.call(ell_call, origin_id=_invocation_origin, logger=_logger if should_log else None)
                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/ell/provider.py", line 125, in call
    provider_resp = call(**final_api_call_params)
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/openai/_utils/_utils.py", line 279, in wrapper
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/openai/resources/chat/completions.py", line 859, in create
    return self._post(
           ^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/openai/_base_client.py", line 1283, in post
    return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/openai/_base_client.py", line 960, in request
    return self._request(
           ^^^^^^^^^^^^^^
  File "/Users/x/.pyenv/versions/3.12.4/lib/python3.12/site-packages/openai/_base_client.py", line 1064, in _request
    raise self._make_status_error_from_response(err.response) from None
openai.UnprocessableEntityError: Failed to deserialize the JSON body into the target type: messages[2]: invalid type: sequence, expected a string at line 1 column 280
➜  ell 

I report an error every time I enter it for the second time.

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