code: def live_log_child(self):
          '''Start the logging child process if it died.'''
          if not (self.log_child and self.pid_is_alive(self.log_child)):
              self.start_log_child(f live_log_child(self):
          '''Start the logging child process if it died.'''
          if not (self.log_child and self.pid_is_alive(self.log_child)):
              self.start_log_child()
docs: Start the logging child process if it died.