Fixed revert issue with ruff and tox build

Author: semohr

.github/workflows/build.yml

@@ -31,6 +31,20 @@ jobs:
                     - os: windows-latest
                       tox-env: pypy-test
 
+                # Python interpreter versions. :/
+                include:
+                    - tox-env: py39-test
+                      python: "3.9"
+                    - tox-env: py310-test
+                      python: "3.10"
+                    - tox-env: py311-test
+                      python: "3.11"
+                    - tox-env: py312-test
+                      python: "3.12"
+                    - tox-env: py313-test
+                      python: "3.13"
+                    - tox-env: pypy-test
+                      python: pypy3.9
 
         steps:
             - uses: actions/checkout@v3

pyproject.toml

@@ -36,7 +36,7 @@ dev = [
 
 [tool.ruff]
 target-version = "py39"
-include = ["mediafile.py", "test/**/*.py"]
+include = ["mediafile/**/*", "test/**/*.py"]
 
 [tool.ruff.lint]
 select = [