code: def content(self):
          
  
          if self._content is not None:
              return self._content
  
          if self._content_consumed:
              raise RuntimeError('The content for this response was '
                                 'already consumed')
  
          # Read the contents.
          try:
              self._content = self.raw.read()
          except AttributeError:
              return None
  
  
          # Decode GZip'd content.
          if 'gzip' in self.headers.get('content-encoding', ''):
              try:
                  self._content = decode_gzip(self._content)
              except zlib.error:
                  pass
  
          # Decode unicode content.
          if self.config.get('decode_unicode'):
              self._content = get_unicode_from_response(self)
  
          self._content_consumed = True
          return self._content
docs: Content of the response, in bytes or unicode
          (if available).