Merge pull request #200 from scikit-hep/eduardo-rm-py3.9

Remove support for old Python 3.9

Author: eduardo-rodrigues

.github/workflows/main.yml

@@ -31,14 +31,14 @@ jobs:
         os:
           - ubuntu-latest
         python-version:
-          - "3.9"
+          - "3.10"
           - "3.12"
           - "3.13"
         include:
           - os: windows-latest
-            python-version: "3.9"
-          - os: macos-13
-            python-version: "3.9"
+            python-version: "3.10"
+          - os: macos-15-intel
+            python-version: "3.10"
           - os: macos-latest
             python-version: "3.12"  # old versions not supported
     name: Check Python ${{ matrix.python-version }} ${{ matrix.os }}
@@ -60,7 +60,7 @@ jobs:
         run: python -m pytest --doctest-modules --cov=hepstats --cov-report=xml -n auto
 
       - name: Upload coverage to Codecov
-        if: matrix.python-version == '3.9' && matrix.os == 'ubuntu-latest'
+        if: matrix.python-version == '3.10' && matrix.os == 'ubuntu-latest'
         uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}  # technically not needed, but prevents failures: https://community.codecov.com/t/upload-issues-unable-to-locate-build-via-github-actions-api/3954
@@ -93,10 +93,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Setup Python 3.9
+      - name: Setup Python 3.13
         uses: actions/setup-python@v6
         with:
-          python-version: 3.9
+          python-version: 3.13
 
       - name: Install dependencies
         run: |

.pre-commit-config.yaml

@@ -54,7 +54,7 @@ repos:
     rev: v3.21.2
     hooks:
       - id: pyupgrade
-        args: [ --py39-plus ]
+        args: [ --py310-plus ]
 
   - repo: https://github.com/asottile/setup-cfg-fmt
     rev: v3.2.0
@@ -69,7 +69,7 @@ repos:
 
       - id: nbqa-pyupgrade
         additional_dependencies: [ pyupgrade ]
-        args: [ --py39-plus ]
+        args: [ --py310-plus ]
 
 
   - repo: https://github.com/roy-ht/pre-commit-jupyter

CHANGELOG.rst

@@ -4,6 +4,8 @@ Changelog
 main
 *************
 
+* Drop support for Python 3.9.
+
 Version 0.9.2
 **************