KeyError: 'document_url'

[sentry-io]

Sentry Issue: PIC-P1

KeyError: 'document_url'
(3 additional frame(s) were not displayed)
...
  File "flask/_compat.py", line 33, in reraise
    raise value
  File "flask/app.py", line 1639, in full_dispatch_request
    rv = self.dispatch_request()
  File "flask/app.py", line 1625, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "flask_cors/decorator.py", line 127, in wrapped_function
    resp = make_response(f(*args, **kwargs))
  File "app.py", line 81, in document
    document_url, = query['document_url']

[hancush]

Looks like amp; is winding up in our querystring sometimes. We should figure out why.

[hancush]

Sorry for two incorrect diagnoses, lol