Update app.py

app.py

@@ -3,9 +3,9 @@ import fitz
 import os 
 from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.text_splitter import CharacterTextSplitter
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores.faiss import FAISS
 from langchain.chains.question_answering import load_qa_chain
-from langchain.llms import OpenAI
+from langchain_community.llms import OpenAI
 
 openai_api_key = os.environ.get('OPENAI_API_KEY')
 
@@ -47,4 +47,4 @@ iface = gr.Interface(
     title="PDF Reader",
     description="Upload a PDF file!",
 )
-iface.launch()
+iface.launch(share=True)