Upload app.py

app.py

@@ -78,7 +78,7 @@ if "time_taken_for_response" not in st.session_state:
     st.session_state.time_taken_for_response = "N/A"
 if "metrics" not in st.session_state:
     st.session_state.metrics = {}
-if "query_dataset" not in 
+if "query_dataset" not in st.session_state:
     st.session_state.query_dataset = ''
 if "recent_questions" not in st.session_state:
     st.session_state.recent_questions = {}