drop support for python 3.8

.github/workflows/lint-and-test.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12']
 
     name: Python ${{ matrix.python-version }}
 

.github/workflows/pypi-release.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.8'
+          python-version: '3.9'
 
       - run: pip install setuptools wheel
 

.readthedocs.yaml

@@ -8,7 +8,7 @@ formats: all
 build:
    os: ubuntu-22.04
    tools:
-     python: "3.8"
+     python: "3.9"
 
 python:
   install:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.black]
 line-length = 120
-target_version = ['py37']
+target_version = ['py39']
 
 [tool.isort]
 multi_line_output = 3
@@ -44,8 +44,8 @@ exclude = [
 line-length = 120
 indent-width = 4
 
-# Assume Python 3.8
-target-version = "py38"
+# Assume Python 3.9
+target-version = "py39"
 
 [tool.ruff.lint]
 # Enable Pyflakes (`F`) and a subset of the pycodestyle (`E`)  codes by default.
@@ -75,4 +75,4 @@ line-ending = "auto"
 [tool.pytest.ini_options]
 markers = [
     "actions: marks tests that checks the full list of IAM actions (deselect with '-m \"not actions\"')",
-]
+]

setup.py

@@ -36,7 +36,7 @@
     long_description_content_type="text/markdown",
     url="https://github.com/Skyscanner/pycfmodel",
     packages=find_namespace_packages(exclude=("tests", "docs")),
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     install_requires=install_requires,
     tests_require=dev_requires,
     extras_require={