* integrate plasma store as a thread (C++)
* integrate plasma store as a thread (Python)
* fix config issues
* remove plasma component fail tests
* without forcefully kill the plasma store thread
* Remove worker Wait() call due to SIGCHLD being ignored
* Port _pid_alive to Windows
* Show PID as well as TID in glog
* Update TensorFlow version for Python 3.8 on Windows
* Handle missing Pillow on Windows
* Work around dm-tree PermissionError on Windows
* Fix some lint errors on Windows with Python 3.8
* Simplify torch requirements
* Quiet git clean
* Handle finalizer issues
* Exit with the signal number
* Get rid of wget
* Fix some Windows compatibility issues with tests
Co-authored-by: Mehrdad <noreply@github.com>
* Remove all __future__ imports from RLlib.
* Remove (object) again from tf_run_builder.py::TFRunBuilder.
* Fix 2xLINT warnings.
* Fix broken appo_policy import (must be appo_tf_policy)
* Remove future imports from all other ray files (not just RLlib).
* Remove future imports from all other ray files (not just RLlib).
* Remove future import blocks that contain `unicode_literals` as well.
Revert appo_tf_policy.py to appo_policy.py (belongs to another PR).
* Add two empty lines before Schedule class.
* Put back __future__ imports into determine_tests_to_run.py. Fails otherwise on a py2/print related error.
Tao Wang