Internal Server Error: /api/myendpoint/
Traceback (most recent call last):
  File "/usr/local/lib/python3.4/site-packages/django/core/handlers/exception.py", line 39, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.4/site-packages/django/core/handlers/base.py", line 187, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/usr/local/lib/python3.4/site-packages/django/core/handlers/base.py", line 185, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python3.4/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view
    return view_func(*args, **kwargs)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/viewsets.py", line 83, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/views.py", line 477, in dispatch
    response = self.handle_exception(exc)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/views.py", line 437, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/views.py", line 474, in dispatch
    response = handler(request, *args, **kwargs)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/mixins.py", line 22, in create
    headers = self.get_success_headers(serializer.data)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/serializers.py", line 527, in data
    ret = super(Serializer, self).data
  File "/usr/local/lib/python3.4/site-packages/rest_framework/serializers.py", line 262, in data
    self._data = self.to_representation(self.instance)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/serializers.py", line 496, in to_representation
    ret[field.field_name] = field.to_representation(attribute)
  File "/usr/local/lib/python3.4/site-packages/rest_framework/fields.py", line 1553, in to_representation
    return [self.child.to_representation(item) if item is not None else None for item in data]
TypeError: 'int' object is not iterable