              else:
                  self._full_data = self._data
  
      def _load_stream(self):
          """
          Return the content body of the request, as a stream.
          """
 
</s> remove         '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=utc)
 </s> add         '2001-01-01T13:00Z': datetime.datetime(2001, 1, 1, 13, 00, tzinfo=utc),
            # copy files refs to the underlying request so that closable
            # objects are handled appropriately.
            self._request._files = self._files

              else:
                  self._full_data = self._data
  
            # copy files refs to the underlying request so that closable
            # objects are handled appropriately.
            self._request._files = self._files

      def _load_stream(self):
          """
          Return the content body of the request, as a stream.
          """
keep keep add keep keep keep keep
 Ensure closables in request.FILES get closed. (#5262)

Ensure closables on `.FILES` get closed. 
rest_framework/request.py