Update functions.py

functions.py

@@ -230,7 +230,7 @@ def embed_text(query,embedding_model,_docsearch):
     #                              return_source_documents=True)
     
     chain = ConversationalRetrievalChain.from_llm(chat_llm, 
-                                                  retriever= _docsearch.as_retriever(search_kwargs={"k": 3})),
+                                                  retriever= _docsearch.as_retriever(search_kwargs={"k": 3}),
                                                   get_chat_history=lambda h : h,
                                                   memory = memory,
                                                   return_source_documents=True)