code: def body(self):
          
          content = []
          length = 0
          for chunk in self:
              content.append(chunk)
              length += len(chunk)
              if self.length_limit and length > self.length_limit:
                  self.close()
                  raise ContentLimitExceeded("Content length is more than %d "
                                             "bytes" % self.length_limit)
  
          return b("").join(content)
docs: Response body.
  
          :raises: :class:`ContentLimitExceeded`, :class:`ContentDecodingError`