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fixed an UnboundLocalError when no documents are found (#12995)

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Replace this entire comment with:
  - **Description:** fixed a bug
  - **Issue:** the issue # #12780
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Leonid Kuligin 2023-11-20 18:41:14 +01:00 committed by GitHub
parent b6f70d776b
commit f3fcdea574
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libs/langchain/langchain/retrievers/google_vertex_ai_search.py
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@ -160,6 +160,7 @@ class _BaseGoogleVertexAISearchRetriever(BaseModel):
from google.protobuf.json_format import MessageToDict
documents: List[Document] = []
chunk_type = "extractive_answers"
for result in results:
document_dict = MessageToDict(