Remove python 3.8 (#118)

Author: ffelten

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}

pyproject.toml

@@ -6,15 +6,14 @@ build-backend = "setuptools.build_meta"
 name = "mo-gymnasium"
 description="A standard API for MORL and a diverse set of reference environments."
 readme = "README.md"
-requires-python = ">= 3.8"
+requires-python = ">= 3.9"
 authors = [{ name = "Farama Foundation", email = "contact@farama.org" }]
 license = { text = "MIT License" }
 keywords = ["Reinforcement Learning", "Multi-Objective", "RL", "AI", "Gymnasium"]
 classifiers = [
     "Development Status :: 4 - Beta",  # change to `5 - Production/Stable` when ready
     "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
@@ -80,7 +79,7 @@ mo_gymnasium = [
 
 [tool.black]
 line-length = 127
-target-version = ['py38', 'py39', 'py310', 'py311', 'py312']
+target-version = ['py39', 'py310', 'py311', 'py312']
 include = '\.pyi?$'
 
 [tool.isort]
@@ -98,7 +97,7 @@ exclude = ["**/node_modules", "**/__pycache__"]
 strict = []
 
 typeCheckingMode = "basic"
-pythonVersion = "3.8"
+pythonVersion = "3.9"
 pythonPlatform = "All"
 typeshedPath = "typeshed"
 enableTypeIgnoreComments = true