Update app.py

app.py

@@ -336,6 +336,8 @@ chat_history = [
             ("Can you tell me another joke?", "Why don't scientists trust atoms? Because they make up everything!"),
             ]
     
+
+load_document_store()
     
 def generate_response(user_input, model_id):
     try:
@@ -348,8 +350,6 @@ def generate_response(user_input, model_id):
         query_vector = bertmodel.encode(user_input).reshape(1, -1).astype("float32")
         D, I = index.search(query_vector, 1)
 
-        load_document_store()
-
         # Retrieve document
         retrieved_id = I[0][0]
         retrieved_knowledge = (