old_contents: from rest_framework.negotiation import BaseContentNegotiation
  from rest_framework.parsers import JSONParser
  from rest_framework.parsers import MultiPartParser
  from rest_framework.renderers import JSONRenderer
  
  
  class LimitContentNegotiation(BaseContentNegotiation):
      def select_parser(self, request, parsers):
          """
          Always return JSONParser unless a 'multipart/form-data' content type is sent
          """
          if "multipart" in request.content_type:
              return MultiPartParser()
          return JSONParser()
  
      def select_renderer(self, request, renderers, format_suffix):
          """
          Always return JSONRenderer
          """
          renderer = JSONRenderer()
          return (renderer, renderer.media_type)
  
new_contents: from rest_framework.negotiation import DefaultContentNegotiation
  from rest_framework.parsers import JSONParser
  from rest_framework.parsers import MultiPartParser
  from rest_framework.renderers import JSONRenderer
  
  
  class LimitContentNegotiation(DefaultContentNegotiation):
      def select_parser(self, request, parsers):
          """
          Always return JSONParser unless a 'multipart/form-data' content type is sent
          or this is for morango
          """
  
          if request.path.startswith("/api/morango"):
              return super(LimitContentNegotiation, self).select_parser(request, parsers)
          if "multipart" in request.content_type:
              return MultiPartParser()
          return JSONParser()
  
      def select_renderer(self, request, renderers, format_suffix=None):
          """
          Always return JSONRenderer unless for morango
          """
          if request.path.startswith("/api/morango"):
              return super(LimitContentNegotiation, self).select_renderer(
                  request, renderers, format_suffix=None
              )
          renderer = JSONRenderer()
          return (renderer, renderer.media_type)
  
subject: Update content negotiation for morango operation