Update app.py

app.py

@@ -15,7 +15,7 @@ def process_survey(survey_number, submission_id):
 
     survey_url = f"{base_url}?{encoded_params}&match={match_param}"
 
-    print("SURVEY NUMBER: " + survey_number)
+    print("SURVEY NUMBER: " + str(survey_number))
     print("PROCESS_SURVEY")
     print(survey_url)