252                                         keep_blank_values=1))

   252                                         keep_blank_values=1))

   253         self._start_response = start_response

   253         self._start_response = start_response

   254         self.server_write = None

   254         self.server_write = None

   255         self.headers = []

   255         self.headers = []

   256 

   256 

   257     def respond(self, status, type, filename=None, body=None):

   259     def respond(self, status, type, filename=None, body=None):

   258         if not isinstance(type, str):

   260         if not isinstance(type, str):

   259             type = pycompat.sysstr(type)

   261             type = pycompat.sysstr(type)

   260         if self._start_response is not None:

   262         if self._start_response is not None:

   261             self.headers.append((r'Content-Type', type))

   263             self.headers.append((r'Content-Type', type))