观察：错误：'NoneType' 对象没有 'search_batch' 属性
当我使用qdrant + llamaindex代理时，我遇到了这个错误。

版本

0.10.16

重现步骤

retriever_query_engine = RetrieverQueryEngine.from_args(
    recursive_retriever,
    response_synthesizer=response_synthesizer,
    service_context=service_context,
    node_postprocessors=[cohere_rerank],
    use_async=False
)
query_engine_tools_ = [
QueryEngineTool(
    query_engine=retriever_query_engine,
    metadata=ToolMetadata(
        name="recursive_retriever",
        description=f"Recursive retriever for accessing documents"
    ),
)

]
query_engine = SubQuestionQueryEngine.from_defaults(
query_engine_tools=query_engine_tools_,
service_context=service_context,
use_async=False,
llm=function_llm,
verbose=True
)
query_engine_tools = [
QueryEngineTool(
query_engine=query_engine,
metadata=ToolMetadata(
name="qualitative_question_engine",
description=f"""A query engine that can answer qualitative questions about a {doc_name} documents that the user pre-selected for the conversation.""".strip(),
),
),
QueryEngineTool(
query_engine=vector_query_engine,
metadata=ToolMetadata(
name=f"vector_tool",
description=f"Useful for retreiving specific context from {doc_name}.",
),
)
]
await image_links
agent = ReActAgent.from_tools(
query_engine_tools,
llm=function_llm,
verbose=True,
memory=chat_memory,
context=f"""Use the available tools provided when answering a question. Do NOT just blindly make things up about the car unless it is grounded by the retrieved sources.Make sure question is passed as it is in raw form without any translation.""",
max_function_calls=3)
image_res=image_links.result()
return agent,top_sources,image_res,doc_context,chat_memory