Update app.py

app.py

@@ -112,7 +112,7 @@ def exportResultToExcelFile(modelResult):
             f.write(tableExport)  # write the dataset to the xlsx file
         f.close()
         
-     except Exception as e:
+     except Exception as ex:
         print("Error exportando Excel:"+ str(e))
         
     return outputFilePath