code: def feed(self, data=''):
          '''
          Optionally add pending data, switch into streaming mode, and yield
          result chunks.
  
          :yields: result chunks
          :ytype: str
          '''
          self.streaming = True
          self.pending += data
          for i in self:
              yield f feed(self, data=''):
          '''
          Optionally add pending data, switch into streaming mode, and yield
          result chunks.
  
          :yields: result chunks
          :ytype: str
          '''
          self.streaming = True
          self.pending += data
          for i in self:
              yield i
docs: Optionally add pending data, switch into streaming mode, and yield
          result chunks.
  
          :yields: result chunks
          :ytype: str