dbgpt.serve.core.schemas[10072] ERROR common_exception_handler catch Exception: success=False err_code='E0003' err_msg="Unable to generate pydantic-core schema for <class 'dbgpt.core.awel.dag.base.DAG'>. Set `arbitrary_types_allowed=True` in the model_config to ignore this error or implement `__get_pydantic_core_schema__` on your type to fully support it.\n\nIf you got this error by calling handler(<some type>) within `__get_pydantic_core_schema__` the n you likely need to call `handler.generate_schema(<some type>)` since we do not call `__get_pydantic_core_schema__` on `<some type>` otherwise to avoid infinite r ecursion.\n\nFor further information visit https://errors.pydantic.dev/2.7/u/schema-for-unknown-type" data=None
解决:pip install fastapi==0.111.0
问题:安装社区RAG聊天报错[SERVER_ERROR]No module named ‘langchain’ 解决:pip install langchain,pip install langchain-community