code: def newline(self, node=None, extra=0):
          
          self._new_lines = max(self._new_lines, 1 + extra)
          if node is not None and node.lineno != self._last_line:
              self._write_debug_info = node.lineno
              self._last_line = node.lineno
docs: Add one or more newlines before the next write.