Update models/langOpen.py

models/langOpen.py

@@ -38,7 +38,7 @@ class LangOpen:
         print("query_str: ", query_str)
         print("model_name: ", self.llm.model_name)
         #docs = self.index.similarity_search(query_str, k=4)
-        vectorstore_retriever = vectorstore.as_retriever(search_type="similarity", search_kwargs={"k": 10})
+        vectorstore_retriever = self.index.as_retriever(search_type="similarity", search_kwargs={"k": 10})
         compressor = CohereRerank()
         compression_retriever = ContextualCompressionRetriever(
         base_compressor=compressor, base_retriever=vectorstore_retriever