Update CI to use ubuntu-latest and fix linting issues

- Change all ubuntu-22.04 instances to ubuntu-latest in CI workflow
- Fix whitespace and line length issues in tests/lib/venv.py
- Addresses feedback to modernize CI to latest Ubuntu versions

Co-authored-by: notatallshaw <8070352+notatallshaw@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ concurrency:
 jobs:
   docs:
     name: docs
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v5
@@ -36,7 +36,7 @@ jobs:
       - run: nox -s docs
 
   determine-changes:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     outputs:
       tests: ${{ steps.filter.outputs.tests }}
       vendoring: ${{ steps.filter.outputs.vendoring }}
@@ -67,7 +67,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-22.04, windows-latest]
+        os: [ubuntu-latest, windows-latest]
 
     steps:
       - uses: actions/checkout@v5
@@ -86,7 +86,7 @@ jobs:
 
   vendoring:
     name: vendoring
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     needs: [determine-changes]
     if: >-
@@ -115,7 +115,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        os: [ubuntu-22.04, macos-latest]
+        os: [ubuntu-latest, macos-latest]
         python:
           - "3.9"
           - "3.10"
@@ -261,7 +261,7 @@ jobs:
       - tests-zipapp
       - vendoring
 
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Decide whether the needed jobs succeeded or failed

tests/lib/venv.py

@@ -194,23 +194,23 @@ def _customize_site(self) -> None:
         if self._sitecustomize is not None:
             contents += "\n" + self._sitecustomize
         sitecustomize = self.site / "sitecustomize.py"
-        
+
         # Ensure the site directory exists before writing files
         sitecustomize.parent.mkdir(parents=True, exist_ok=True)
-        
+
         sitecustomize.write_text(contents)
-        
-        # Ubuntu 24.04 compatibility: Also create a .pth file that imports our customizations
-        # This ensures our customizations run even if system sitecustomize is loaded first
+
+        # Ubuntu 24.04 compatibility: Also create a .pth file that imports our
+        # customizations. This ensures they run even if system sitecustomize loads first
         if self._sitecustomize is not None:
             # Create a separate module for our customizations
             customizations_module = self.site / "_venv_customizations.py"
             customizations_module.write_text(self._sitecustomize)
-            
+
             # Create a .pth file that imports this module
             pth_file = self.site / "venv_customizations.pth"
             pth_file.write_text("import _venv_customizations")
-        
+
         # Make sure bytecode is up-to-date too.
         assert compileall.compile_file(str(sitecustomize), quiet=1, force=True)