Update app.py

app.py

@@ -14,14 +14,13 @@ from langchain.chains import ConversationalRetrievalChain
 from langchain.memory import ConversationBufferMemory
 from langchain.prompts import PromptTemplate
 
-vectorstore = PineconeVectorStore.from_existing_index(
-    PINECONE_INDEX_NAME, embeddings
-)
-retriever = vectorstore.as_retriever()
 
 model = ChatOpenAI(openai_api_key=OPENAI_API_KEY, model="gpt-3.5-turbo", )
 embeddings = OpenAIEmbeddings(openai_api_key=OPENAI_API_KEY)
 
+vectorstore = PineconeVectorStore.from_existing_index(index_name="chat-interfoucs", embedding=embeddings)
+retriever = vectorstore.as_retriever()
+
 def create_conversation(query: str, chat_history: list) -> tuple:
     try: