Add Python 3.11 support, remove 3.7 (#100)

Co-authored-by: Mark Towers <mark.m.towers@gmail.com>

.github/workflows/build-test.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
     steps:
       - uses: actions/checkout@v2
       - run: |

.pre-commit-config.yaml

@@ -48,7 +48,7 @@ repos:
     rev: v3.3.2
     hooks:
       - id: pyupgrade
-        args: ["--py37-plus"]
+        args: ["--py38-plus"]
   - repo: https://github.com/pycqa/pydocstyle
     rev: 6.3.0
     hooks:

pyproject.toml

@@ -15,7 +15,7 @@ strict = [
 ]
 
 typeCheckingMode = "basic"
-pythonVersion = "3.7"
+pythonVersion = "3.8"
 pythonPlatform = "All"
 enableTypeIgnoreComments = true
 # This is required as the CI pre-commit does not download the module (i.e. numpy, pygame, box2d)

setup.py

@@ -69,13 +69,12 @@ def get_version():
     long_description=long_description,
     long_description_content_type="text/markdown",
     keywords=["Reinforcement Learning", "game", "RL", "AI"],
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     packages=find_packages(),
     install_requires=["numpy>=1.18.0", "gymnasium>=0.27.0"],
     tests_require=extras["testing"],
     extras_require=extras,
     classifiers=[
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",

shimmy/openai_gym_compatibility.py

@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 import sys
-from typing import Any
+from typing import Any, Protocol, runtime_checkable
 
 import gymnasium
 from gymnasium import error
@@ -25,12 +25,6 @@
     convert_to_terminated_truncated_step_api,
 )
 
-if sys.version_info >= (3, 8):
-    from typing import Protocol, runtime_checkable
-else:
-    from typing_extensions import Protocol, runtime_checkable
-
-
 try:
     import gym
     import gym.wrappers

shimmy/openspiel_compatibility.py

@@ -1,3 +1,4 @@
+# pyright: reportGeneralTypeIssues=false
 """Wrapper to convert an OpenSpiel environment into a pettingzoo compatible environment."""
 from __future__ import annotations