Update app.py

app.py

@@ -47,7 +47,7 @@ def load_pdf_data():
         }
     return pdf_data
 
-# Update embeddings at startup
+# Update embeddings with new documents
 update_embeddings()
 
 # Load vector store and PDF data
@@ -78,7 +78,7 @@ def pdf_viewer_interface(pdf_state, page_number, action=None, page_input=None):
 def chat_interface(user_input, chat_history, pdf_state):
     chat_history_list = [item for sublist in chat_history for item in sublist]
     
-    response = get_answer(user_input, chat_history_list)
+    response = get_answer(qa_chain, user_input, chat_history_list)
     full_response = response["answer"]
     sources = response["sources"]