Update app.py

app.py

@@ -41,7 +41,7 @@ def main():
         # Download the converted ratings as CSV
         st.download_button(
             label="Download Converted Ratings",
-            data=df[Rating'].to_csv(index=False),
+            data=df['Rating'].to_csv(index=False),
             file_name="converted_ratings.csv",
             mime="text/csv"
         )