validate_request/json_to_form_data fails on list of lists

[anemitz]

Validating a request containing a document that has a ListField(ListField()) fails

  File "/Users/anemitz/Dropbox/projects/flask-mongorest/flask_mongorest/views.py", line 58, in post
    self._resource.validate_request()
  File "/Users/anemitz/Dropbox/projects/flask-mongorest/flask_mongorest/resources.py", line 191, in validate_request
    json_data = json_to_form_data('', self.data)
  File "/Users/anemitz/Dropbox/projects/flask-mongorest/flask_mongorest/resources.py", line 176, in json_to_form_data
    form_data.update(json_to_form_data('%s%s-%d-' % (prefix, k, n), el))
  File "/Users/anemitz/Dropbox/projects/flask-mongorest/flask_mongorest/resources.py", line 173, in json_to_form_data
    for k, v in json_data.iteritems():
AttributeError: 'list' object has no attribute 'iteritems'

[thomasst]

We're not using form validation anymore.