docs: async def make_response(self, request, response, **response_kwargs):
          """Convert a handler result to web response."""
          while iscoroutine(response):
              response = await response
  
          if isinstance(response, StreamResponse):
              return response
  
          response_kwargs.setdefault('content_type', 'application/json')
  
          return Response(text=dumps(response), **response_kwargs)