Fix all PEP-008 issues

test/02_test/cibuildwheel_test.py

@@ -1,7 +1,11 @@
-import os, subprocess
+import os
+import subprocess
+
 import pytest
+
 import utils
 
+
 def test():
     project_dir = os.path.dirname(__file__)
 

test/02_test/setup.py

@@ -1,4 +1,7 @@
-from setuptools import setup, Extension
+from setuptools import (
+    Extension,
+    setup,
+)
 
 setup(
     name="spam",

test/02_test/test/spam_test.py

@@ -1,4 +1,5 @@
 from unittest import TestCase
+
 import spam