* Fix seed in Actor.py

* Fix seed coach.py

* Update Coach.py

* Change i to seed in actor.py

* Change i to seed in Coach.py

* fix self.alg

* torch agent initialization

* remove definition of self.alg in PPO

* replace self.algorithm with self.alg

* remove unnecessary definition of self.alg

* fix cn readme

* unittest

* yapf

* Travis CI: Discover undefined names in Python code

Blocked by #304 and #305

* Add linter directive # noqa: F821

* Flake8: Add E722 do not use bare 'except'

* Flake8: Remove bare 'except' and open #309

#309

* version 0.1

* fix bug

* Update README.md

* Update README.md

* fix yapf
Co-authored-by: NTomorrowIsAnOtherDay <2466956298@qq.com>