Update app.py

app.py

@@ -185,7 +185,7 @@ def main():
         if st.button("Grade Proposal"):
             if new_file:                
                 final_feedback = grade_essay(input = new_file)
-                match = re.search(r"content='([\s\S]*)", res)
+                match = re.search(r"content='([\s\S]*)", final_feedback)
                 result = match.group(1).strip() if match else ''
                 result
                 st.session_state.results.append({