Document that we now support Python 3.10

PiperOrigin-RevId: 414649248
Change-Id: Ifed29e291b3f85a5f3d571bf4d09f7da28f7d9b6

Author: alimuldal

CHANGELOG.md

@@ -4,6 +4,8 @@ All significant changes to this project will be documented here.
 
 ## [Unreleased]
 
+*   Add support for Python 3.10.
+
 ## [1.5]
 
 Release date: 2021-07-12

setup.py

@@ -36,6 +36,7 @@ def get_version():
     license='Apache License, Version 2.0',
     keywords='reinforcement-learning python machine learning',
     packages=find_packages(exclude=['examples']),
+    python_requires='>=3.7',
     install_requires=[
         'absl-py',
         'dm-tree',
@@ -55,6 +56,7 @@ def get_version():
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Topic :: Scientific/Engineering :: Artificial Intelligence',
     ],
 )