Error using GraphCypherQAChain

[krlmt8]

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Example Code

from langchain_community.chains.graph_qa.cypher import GraphCypherQAChain

      chain = GraphCypherQAChain.from_llm(
            graph=self.kg.graph,
            llm=self.llm,
            verbose=True,
            validate_cypher=True,
            cypher_prompt=CYPHER_GENERATION_PROMPT,
            use_function_response=True,
        )

Description

GraphCypherQAChain. from llm is not working after i changed the import from langchain.chain to langchain_community

thi i the error I got:
graph_tools.py", line 65, in _run
chain = GraphCypherQAChain.from_llm( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "\Lib\site-packages\langchain_community\chains\graph_qa\cypher.py", line 326, in from_llm
return cls( ^^^^
File "\Lib\site-packages\langchain_community\chains\graph_qa\cypher.py", line 200, in init
super().init(**kwargs)
File "\Lib\site-packages\langchain_core\load\serializable.py", line 125, in init
super().init(*args, **kwargs)
File "\Lib\site-packages\pydantic\main.py", line 212, in init
validated_self = self.pydantic_validator.validate_python(data, self_instance=self)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "\Lib\site-packages\langchain\chains\base.py", line 236, in raise_callback_manager_deprecation
if values.get("callback_manager") is not None:
^^^^^^^^^^
File "\Lib\site-packages\pydantic\main.py", line 856, in getattr
raise AttributeError(f'{type(self).name!r} object has no attribute {item!r}')
AttributeError: 'RunnableSequence' object has no attribute 'get'

System Info

langchain==0.3.2
langchain-community==0.3.1
langchain-core==0.3.19
langchain-experimental==0.3.3
langchain-openai==0.2.2
langchain-text-splitters==0.3.0

[feijoes]

@krlmt8 Try upgrading pydantic , pip install -U pydantic

[krlmt8]

I already have the last pydantic version...