Typo: It should be self._timer not self._timer_

[Vinay K.]

The timer being created and destroyed are different.

demos/lifecycle_py/lifecycle_py/talker.py

Line 75 in 647b702

 self._timer_ = self.create_timer(1.0, self.publish) 

[Chris Lalancette]

Yes, good call. Can you please submit a pull request with that fix? We'll be happy to review it.