[Python] ImportError: cannot import name 'VertexAIVectorSearch' from langchain_google_vertexai...

I am building a RAG chatbot using Python, LangChain, and Google Vertex AI. I am getting a persistent ImportError when trying to import VertexAIVectorSearch, even after performing a clean re-installation of all libraries.

The Error:

Traceback (most recent call last): File "C:...\app.py", line 12, in <module> from document_processor import process_and_upload_documents File "C:...\document_processor.py", line 7, in <module> from langchain_google_vertexai.vectorstores import VertexAIVectorSearch ImportError: cannot import name 'VertexAIVectorSearch' from 'langchain_google_vertexai.vectorstores' (...)


what i have tried Installing the C++ Build Tools for Visual Studio to ensure packages like numpy can be built from source.

Completely uninstalling all langchain and google-cloud packages with pip uninstall.

Re-installing all packages from a requirements.txt file.

Trying multiple import paths, including langchain_community.vectorstores and langchain_google_vertexai. The error changes slightly but always indicates the class cannot be found.

Deleting the pycache folder.

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