docs: def content_type(self):
          """
          Returns the content type of the request in all cases where it is
          different than a submitted form - application/x-www-form-urlencoded
          """
          type_formencoded = "application/x-www-form-urlencoded"
  
          ctype = self.request.META.get('CONTENT_TYPE', type_formencoded)
  
          if type_formencoded in ctype:
              return None
  
          return ctype