* allow vector observations also when using visual observations
* update changelog
* Update CHANGELOG.md
* Update __init__.py
* remove trailing whitespace
* Fix test case where visual and vector observations are used simultaneously
* fix formatting
* add test for visual and vector observations
* Assert vector action shape
* Fix test environment to return multiple visual observations
* use_visual and allow_multiple_visual_obs are replaced by allow_multiple_obs which allows visual and vector observations to be used simultaneously.
* fixing run_gym.py test
* [ci]
* Added some more tests and made the observation space a tuple when using multiple observations
* Modifying the change log
* Addding to the Migrating doc
* Edits to Migrating.md
* Simplification of the code to generate the observation spaces
* Simplified warning messages
* Adding contr...
To make the Unity ML-Agents Toolkit accessible to the global research and Unity
developer communities, we're attempting to create and maintain translations of
our documentation. We've started with translating a subset of the documentation
to one language (Chinese), but we hope to continue translating more pages and to
other languages. Consequently, we welcome any enhancements and improvements from
the community.