* Allows a new RNG to be generated with seed=-1 and updated env_checker to fix bug if environment doesn't use np_random in reset
* Revert "fixed `gym.vector.make` where the checker was being applied in the opposite case than was intended to (#2871)"
This reverts commit 519dfd9117.
* Remove bad pushed commits
* Fixed spelling in core.py
* Pins pytest to the last py 3.6 version
* Add support for action masking in Space.sample(mask=...)
* Fix action mask
* Fix action_mask
* Fix action_mask
* Added docstrings, fixed bugs and added taxi examples
* Fixed bugs
* Add tests for sample
* Add docstrings and test space sample mask Discrete and MultiBinary
* Add MultiDiscrete sampling and tests
* Remove sample mask from graph
* Update gym/spaces/multi_discrete.py
Co-authored-by: Markus Krimmel <montcyril@gmail.com>
* Updates based on Marcus28 and jjshoots for Graph.py
* Updates based on Marcus28 and jjshoots for Graph.py
* jjshoot review
* jjshoot review
* Update assert check
* Update type hints
Co-authored-by: Markus Krimmel <montcyril@gmail.com>
