Apply suggestions from code review

Co-authored-by: Hugo van Kemenade <[email protected]>

Author: nulano

.github/workflows/wheels.yml

@@ -96,7 +96,7 @@ jobs:
           path: Tests\test-images
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.11"
+          python-version: "3.x"
       - name: Prepare for build
         run: |
           choco install nasm --no-progress
@@ -137,14 +137,13 @@ jobs:
           CIBW_BEFORE_ALL: "{package}\\winbuild\\build\\build_dep_all.cmd"
           CIBW_CACHE_PATH: "C:\\cibw"
           CIBW_TEST_SKIP: "*-win_arm64"
-          CIBW_TEST_COMMAND: >-
-            docker run --rm
+          CIBW_TEST_COMMAND: 'docker run --rm
             -v {project}:C:\pillow
             -v C:\cibw:C:\cibw
             -v %CD%\..\venv-test:%CD%\..\venv-test
             -e CI -e GITHUB_ACTIONS
             mcr.microsoft.com/windows/servercore:ltsc2022
-            powershell C:\pillow\.github\workflows\wheels-test.ps1 %CD%\..\venv-test
+            powershell C:\pillow\.github\workflows\wheels-test.ps1 %CD%\..\venv-test'
         shell: cmd
       - name: Upload wheels
         uses: actions/upload-artifact@v3

Tests/helper.py

@@ -263,7 +263,7 @@ def djpeg_available():
         try:
             subprocess.check_call(["djpeg", "-version"])
             return True
-        except subprocess.CalledProcessError:
+        except subprocess.CalledProcessError:  # pragma: no cover
             return False
 
 
@@ -272,7 +272,7 @@ def cjpeg_available():
         try:
             subprocess.check_call(["cjpeg", "-version"])
             return True
-        except subprocess.CalledProcessError:
+        except subprocess.CalledProcessError:  # pragma: no cover
             return False
 
 

Tests/test_imagegrab.py

@@ -11,12 +11,14 @@
 
 
 class TestImageGrab:
+    @pytest.mark.skipif(
+        os.environ.get("USERNAME") == "ContainerAdministrator",
+        reason="can't grab screen when running in Docker",
+    )
     @pytest.mark.skipif(
         sys.platform not in ("win32", "darwin"), reason="requires Windows or macOS"
     )
     def test_grab(self):
-        if os.environ.get("USERNAME") == "ContainerAdministrator":
-            pytest.skip("can't grab screen when running in Docker")
         ImageGrab.grab()
         ImageGrab.grab(include_layered_windows=True)
         ImageGrab.grab(all_screens=True)