Some Exceptions on the Process Agent

[steviechen]

Hi this Multiagent Case is kinda State Of The Art thing, I really like it.
However, I got the exceptions below while I execute the Process Agent on the step 2:

Error occurred while processing agent process_agent: Could not parse function call: 'function_call'
For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE 
Traceback (most recent call last):
  File "/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/openai_functions.py", line 97, in parse_result
    function_call = message.additional_kwargs["function_call"]
                    ~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
KeyError: 'function_call'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "[/Users/steviechen/PycharmProjects/AI-Data-Analysis-MultiAgent/core/node.py", line 21](http://localhost:8888/lab/tree/AI-Data-Analysis-MultiAgent/AI-Data-Analysis-MultiAgent/core/node.py#line=20), in agent_node
    result = agent.invoke(state)
             ^^^^^^^^^^^^^^^^^^^
  File "/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 3024, in invoke
    input = context.run(step.invoke, input, config)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "[/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/base.py", line 193](http://localhost:8888/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/base.py#line=192), in invoke
    return self._call_with_config(
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/runnables/base.py", line 1927, in _call_with_config
    context.run(
  File "[/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/runnables/config.py", line 396](http://localhost:8888/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/runnables/config.py#line=395), in call_func_with_variable_args
    return func(input, **kwargs)  # type: ignore[call-arg]
           ^^^^^^^^^^^^^^^^^^^^^
  File "/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/base.py", line 194, in <lambda>
    lambda inner_input: self.parse_result(
                        ^^^^^^^^^^^^^^^^^^
  File "[/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/openai_functions.py", line 103](http://localhost:8888/Users/steviechen/opt/anaconda3/envs/llm/lib/python3.11/site-packages/langchain_core/output_parsers/openai_functions.py#line=102), in parse_result
    raise OutputParserException(msg) from exc
langchain_core.exceptions.OutputParserException: Could not parse function call: 'function_call'
For troubleshooting, visit: https://python.langchain.com/docs/troubleshooting/errors/OUTPUT_PARSING_FAILURE 
Invalid or empty process decision: . Defaulting to 'Process'.

I actually got pip installed by the requirement file.

[starpig1129]

Do you have this error every time you use it?
Because LLM may have an unconventional structure, this error causes