Update app.py

app.py

@@ -125,6 +125,7 @@ if st.session_state.submit:
     except:
         st.error("OpenAI API key is invalid")
         st.session_state.submit = False
+        st.rerun()
         
     if uploaded_files:
         textify_output = read_and_textify_advanced(uploaded_files, sentence_chunks)
@@ -151,4 +152,5 @@ if st.session_state.submit:
         )
     else:
         st.error("Please upload at least 1 PDF")
-        st.session_state.submit = False
+        st.session_state.submit = False
+        st.rerun()