Fix all PEP-008 issues

test/06_docker_images/cibuildwheel_test.py

@@ -1,6 +1,10 @@
-import os, pytest
+import os
+
+import pytest
+
 import utils
 
+
 def test():
     project_dir = os.path.dirname(__file__)
 

test/06_docker_images/setup.py

@@ -1,6 +1,10 @@
-import os, sys
+import os
+import sys
 
-from setuptools import setup, Extension
+from setuptools import (
+    Extension,
+    setup,
+)
 
 # check that we're running in the correct docker image as specified in the
 # environment options CIBW_MANYLINUX1_*_IMAGE