Update app.py

app.py

@@ -10,7 +10,7 @@ def process_survey(survey_id, submission_id):
 
     encoded_params = urlencode(params)
 
-    survey_url = urljoin(base_url, encoded_params, f"&match=\{\"_id\":\{\"$oid\":\"{submission_id}"\}\}')
+    survey_url = urljoin(base_url, encoded_params, f"&match=\{\"_id\":\{\"$oid\":\"{submission_id}\"\}\}')
     print(survey_url)
 
     try: