title: Unsupported lookup 'level' for DateTimeField or join on the field not permitted
body: <p>this is my view.py </p>
  
  <pre><code>@list_route(methods=["post"])
      def created_in_range(self, request):
          response = {}
          data = request.POST
          start = dateutil.parser.parse(data['start'])
          end = dateutil.parser.parse(data['end'])
          page_no = data['page_no']
          tweets = Tweet.get_created_in_range(start, end, int(page_no))
          serializer = TweetSerializer(tweets, many= True)
          response["data"] = serializer.data
          return Response(response, status= status.HTTP_200_OK)
  </code></pre>
  
  <p>this is my class method of models.py</p>
  
  <pre><code>@classmethod
      def get_created_in_range(cls, start, end, page_no):
          """
          Returns all the tweets between start and end.
          """
          tweets = cls.objects.filter(created_at__level__gte = start, created_at__level__lt=end )
          paginator = Paginator(tweets, 5)
          return paginator.page(page_no)
  </code></pre>
  
  <p>this is the error i get</p>
  
  <pre><code>Internal Server Error: /api/twitter/created_in_range/
  Traceback (most recent call last):
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/core/handlers/exception.py", line 35, in inner
      response = get_response(request)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/core/handlers/base.py", line 128, in _get_response
      response = self.process_exception_by_middleware(e, request)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/core/handlers/base.py", line 126, in _get_response
      response = wrapped_callback(request, *callback_args, **callback_kwargs)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
      return view_func(*args, **kwargs)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/rest_framework/viewsets.py", line 95, in view
      return self.dispatch(request, *args, **kwargs)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/rest_framework/views.py", line 494, in dispatch
      response = self.handle_exception(exc)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/rest_framework/views.py", line 454, in handle_exception
      self.raise_uncaught_exception(exc)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/rest_framework/views.py", line 491, in dispatch
      response = handler(request, *args, **kwargs)
    File "/home/kethan/Desktop/twitter_env/twitter_app/api/views.py", line 67, in created_in_range
      tweets = Tweet.get_created_in_range(start, end, int(page_no))
    File "/home/kethan/Desktop/twitter_env/twitter_app/api/models.py", line 143, in get_created_in_range
      tweets = cls.objects.filter(created_at__level__gte = start, created_at__level__lt=end )
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/manager.py", line 82, in manager_method
      return getattr(self.get_queryset(), name)(*args, **kwargs)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/query.py", line 836, in filter
      return self._filter_or_exclude(False, *args, **kwargs)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/query.py", line 854, in _filter_or_exclude
      clone.query.add_q(Q(*args, **kwargs))
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/sql/query.py", line 1253, in add_q
      clause, _ = self._add_q(q_object, self.used_aliases)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/sql/query.py", line 1277, in _add_q
      split_subq=split_subq,
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/sql/query.py", line 1215, in build_filter
      condition = self.build_lookup(lookups, col, value)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/sql/query.py", line 1069, in build_lookup
      lhs = self.try_transform(lhs, name)
    File "/home/kethan/Desktop/twitter_env/lib/python3.5/site-packages/django/db/models/sql/query.py", line 1115, in try_transform
      (name, lhs.output_field.__class__.__name__))
  django.core.exceptions.FieldError: Unsupported lookup 'level' for DateTimeField or join on the field not permitted.
  [25/Feb/2018 02:19:25] "POST /api/twitter/created_in_range/ HTTP/1.1" 500 19151
  </code></pre>
  
  <p>this above is the response in the server 
  i dont know why there's such a big deal with date time fields</p>
  
  <p>can someone help me resolving the issue, i am fighting for this for a while now 
  i dont understand where i am going wrong
  please help solving this....</p>