Update app.py

app.py

@@ -197,7 +197,9 @@ embeddings = OpenAIEmbeddings(openai_api_key=openai_api_key)
 
 # LOAD VECTOR STORE FROM EXISTING INDEX
 from langchain_community.vectorstores import Pinecone
-pc = pinecone.Pinecone()
+
+import pinecone
+
 vector_store = Pinecone.from_existing_index(index_name='mimtssinkqa', embedding=embeddings)
 
 # def ask_with_memory(vector_store, query, chat_history=[]):