message: Fix for RuntimeError: dictionary changed size during iteration
diff: @@ -74,7 +74,7 @@ def cast_form_data(form_data):
  d[k] = v
  if 'filters' not in d:
  d = cast_filter_data(d)
  - for k in d.keys():
  + for k in list(d.keys()):
  if k not in FORM_DATA_KEY_WHITELIST:
  del d[k]
  return d
  