style: activate string normalization

test/test_troubleshooting.py

@@ -7,26 +7,26 @@ from .test_projects import TestProject
 
 so_file_project = TestProject()
 
-so_file_project.files['libnothing.so'] = ''
+so_file_project.files["libnothing.so"] = ""
 
 so_file_project.files[
-    'setup.py'
-] = '''
+    "setup.py"
+] = """
 raise Exception('this build will fail')
-'''
+"""
 
 
 def test_failed_project_with_so_files(tmp_path, capfd):
-    if utils.platform != 'linux':
-        pytest.skip('this test is only relevant to the linux build')
+    if utils.platform != "linux":
+        pytest.skip("this test is only relevant to the linux build")
 
-    project_dir = tmp_path / 'project'
+    project_dir = tmp_path / "project"
     so_file_project.generate(project_dir)
 
     with pytest.raises(subprocess.CalledProcessError):
         utils.cibuildwheel_run(project_dir)
 
     captured = capfd.readouterr()
-    print('out', captured.out)
-    print('err', captured.err)
+    print("out", captured.out)
+    print("err", captured.err)
     assert "NOTE: Shared object (.so) files found in this project." in captured.err