RuntimeError: You called this URL via POST, but the URL doesn't end in a slash and you have APPEND_SLASH set. D...

[sentry-io]

Sentry Issue: FLASK-51

RuntimeError: You called this URL via POST, but the URL doesn't end in a slash and you have APPEND_SLASH set. Django can't redirect to the slash URL while maintaining POST data. Change your form to point to scefali.ngrok.io/webhook/ (note the trailing slash), or set APPEND_SLASH=False in your Django settings.
  File "django/core/handlers/exception.py", line 35, in inner
    response = get_response(request)
  File "django/utils/deprecation.py", line 93, in __call__
    response = self.process_request(request)
  File "django/middleware/common.py", line 62, in process_request
    path = self.get_full_path_with_slash(request)
  File "django/middleware/common.py", line 102, in get_full_path_with_slash
    'url': request.get_host() + new_path,

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