code: def handle_line(self, obj):
          
          if obj.persona is None:
              return obj
  
          name = getattr(obj.persona, "_name", "")
          print(
              textwrap.indent(
                  "{t.normal}{name}".format(name=name, t=self.terminal),
                  " " * 2
              ),
              end="\n",
              file=self.terminal.stream
          )
          print(
              textwrap.indent(
                  "{t.normal}{obj.text}".format(
                      obj=obj, t=self.terminal
                  ),
                  " " * 10
              ),
              end="\n" * 2,
              file=self.terminal.stream
          )
          interval = self.pause + self.dwell * obj.text.count(" ")
          time.sleep(interval)
          return obj
docs: Handle a line event.
  
          This function displays a line of dialogue. It generates a blocking wait
          for a period of time calculated from the length of the line.
  
          :param obj: A :py:class:`~turberfield.dialogue.model.Model.Line` object.
          :return: The supplied object.