docs: def get_ui(self, _):
          """
          Load the Swagger UI interface
          """
          if not self._ui_cache:
              content = self.load_static('ui.html')
              if isinstance(content, binary_type):
                  content = content.decode('UTF-8')
              self._ui_cache = content.replace(u"{{SWAGGER_PATH}}", str(self.swagger_path))
          return HttpResponse(self._ui_cache, headers={
              'Content-Type': 'text/html'
          })