Update app.py

app.py

@@ -20,4 +20,11 @@ if st.button("Generate Answer") and user_query.strip():
     with st.spinner("Generating answer..."):
         result = predictor.predict(user_query)
         st.markdown("### Answer")
-        st.write(result)
+        st.write(result)
+
+
+if __name__ == "__main__":
+    import subprocess
+    import sys
+    print("You ran this file with `python app.py`, redirecting to `streamlit run app.py`...")
+    subprocess.run(["streamlit", "run", sys.argv[0]])