Remove support for Python 3.8

.github/workflows/ci.yml

@@ -18,7 +18,6 @@ jobs:
           - '3.11'
           - '3.10'
           - '3.9'
-          - '3.8'
     name: Python ${{ matrix.python }}
     steps:
       # Python
@@ -46,7 +45,7 @@ jobs:
       - name: Run tests
         run: pytest --ignore=tests/test_pattern_matching.py --ignore=tests/type_checking/test_result.yml
       - name: Run tests (type checking)
-        if: matrix.python != '3.8' && matrix.python != '3.9'
+        if: matrix.python != '3.9'
         # These started breaking for <= 3.9, due to the type checker using a
         # '|' for unions rather than 'Union[...]', so it's not possible to run
         # the tests without maintaining two duplicate files (one for <= 3.9 and
@@ -59,10 +58,10 @@ jobs:
       # Linters
       - name: Run flake8 (Python >= 3.10)
         run: make lint-flake
-        if: matrix.python != '3.9' && matrix.python != '3.8'
+        if: matrix.python != '3.9'
       - name: Run flake8 (Python < 3.10)
         run: make lint-flake-pre310
-        if: matrix.python == '3.9' || matrix.python == '3.8'
+        if: matrix.python == '3.9'
       - name: Run mypy
         run: make lint-mypy
 

CHANGELOG.md

@@ -15,6 +15,7 @@ Possible log types:
 
 - `[changed]` Improve type narrowing for `is_ok` and `is_err` type guards by
   replacing `typing.TypeGuard` with `typing.TypeIs` (#193)
+- `[removed]` Drop support for Python 3.8 (#180)
 
 ## [0.17.0] - 2024-06-02
 

setup.cfg

@@ -15,7 +15,6 @@ classifiers =
     Development Status :: 4 - Beta
     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
@@ -29,7 +28,7 @@ install_requires =
 package_dir =
     =src
 packages = find:
-python_requires = >=3.8
+python_requires = >=3.9
 zip_safe = True
 
 [options.packages.find]

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py312,py311,py310,py39,py38
+envlist = py312,py311,py310,py39
 
 [testenv]
 deps = -rrequirements-dev.txt