Add ament_mypy to rclpy in quality_of_service_demo #769
Description
Description
Test with mypy --strict . --ignore-missing-imports --allow-untyped-calls.
Add test_mypy.py file and resolve all regressions. A copy can be found here
Motivation
Improve static typing throughout the ros2 core.
Design / Implementation Considerations
No response
Additional Information
No response