Update app.py

app.py

@@ -145,16 +145,16 @@ def main():
 
             st.success("Grading completed for all uploaded essays.")
         else:
-            st.error("Please upload all required files.")
-
-    # Export results button always visible
-    with st.sidebar:
-        if st.button("Export All Results to CSV"):
-            if st.session_state.results:
-                export_to_csv(st.session_state.results)
-                st.success("All results exported to essay_grades.csv")
-            else:
-                st.warning("No results to export.")
+            st.error("Please upload a proposal in pdf")
+
+    # # Export results button always visible
+    # with st.sidebar:
+    #     if st.button("Export All Results to CSV"):
+    #         if st.session_state.results:
+    #             export_to_csv(st.session_state.results)
+    #             st.success("All results exported to essay_grades.csv")
+    #         else:
+    #             st.warning("No results to export.")
 
 if __name__ == "__main__":
     main()