Update app.py

app.py

@@ -198,7 +198,7 @@ embeddings = OpenAIEmbeddings(openai_api_key=openai_api_key)
 
 # LOAD VECTOR STORE FROM EXISTING INDEX
 from langchain_community.vectorstores import Pinecone
-vector_store = Pinecone.from_existing_index(index_name='mimtssinkqa', embedding=embeddings, api_key=pinecone_api_key)
+vector_store = pc.from_existing_index(index_name='mimtssinkqa', embedding=embeddings)
 
 # def ask_with_memory(vector_store, query, chat_history=[]):
 #     from langchain_openai import ChatOpenAI