Update app.py

app.py

@@ -1,11 +1,12 @@
 import os
 from typing import Optional, Tuple
 import gradio as gr
+import pinecone
 from langchain.vectorstores import Pinecone
 
 
 # initialize pinecone
-Pinecone.init(
+pinecone.init(
     api_key="PINECONE_API_KEY",  # find at app.pinecone.io
     environment="PINECONE_ENV"  # next to api key in console
 )
@@ -22,7 +23,6 @@ def set_openai_api_key(api_key: str):
     if api_key:
         os.environ["OPENAI_API_KEY"] = api_key
         chain = get_chain(vectorstore)
-        os.environ["OPENAI_API_KEY"] = ""
         return chain
 
 class ChatWrapper: