style: activate string normalization

test/test_emulation.py

@@ -7,45 +7,45 @@ from . import test_projects, utils
 project_with_a_test = test_projects.new_c_project()
 
 project_with_a_test.files[
-    'test/spam_test.py'
-] = r'''
+    "test/spam_test.py"
+] = r"""
 import spam
 
 def test_spam():
     assert spam.system('python -c "exit(0)"') == 0
     assert spam.system('python -c "exit(1)"') != 0
-'''
+"""
 
 
 @pytest.mark.emulation
 def test(tmp_path):
-    project_dir = tmp_path / 'project'
+    project_dir = tmp_path / "project"
     project_with_a_test.generate(project_dir)
 
     # build and test the wheels
     actual_wheels = utils.cibuildwheel_run(
         project_dir,
         add_env={
-            'CIBW_TEST_REQUIRES': 'pytest',
-            'CIBW_TEST_COMMAND': 'pytest {project}/test',
-            'CIBW_ARCHS': 'aarch64 ppc64le s390x',
+            "CIBW_TEST_REQUIRES": "pytest",
+            "CIBW_TEST_COMMAND": "pytest {project}/test",
+            "CIBW_ARCHS": "aarch64 ppc64le s390x",
         },
     )
 
     # also check that we got the right wheels
     expected_wheels = (
-        utils.expected_wheels('spam', '0.1.0', machine_arch='aarch64')
-        + utils.expected_wheels('spam', '0.1.0', machine_arch='ppc64le')
-        + utils.expected_wheels('spam', '0.1.0', machine_arch='s390x')
+        utils.expected_wheels("spam", "0.1.0", machine_arch="aarch64")
+        + utils.expected_wheels("spam", "0.1.0", machine_arch="ppc64le")
+        + utils.expected_wheels("spam", "0.1.0", machine_arch="s390x")
     )
     assert set(actual_wheels) == set(expected_wheels)
 
 
 def test_setting_arch_on_other_platforms(tmp_path, capfd):
-    if utils.platform == 'linux':
-        pytest.skip('this test checks the behaviour on platforms other than linux')
+    if utils.platform == "linux":
+        pytest.skip("this test checks the behaviour on platforms other than linux")
 
-    project_dir = tmp_path / 'project'
+    project_dir = tmp_path / "project"
     project_with_a_test.generate(project_dir)
 
     # build and test the wheels
@@ -53,7 +53,7 @@ def test_setting_arch_on_other_platforms(tmp_path, capfd):
         utils.cibuildwheel_run(
             project_dir,
             add_env={
-                'CIBW_ARCHS': 'aarch64',
+                "CIBW_ARCHS": "aarch64",
             },
         )