pep8 fixes; sort imports

conftest.py

@@ -1,7 +1,7 @@
 import os
+import subprocess
 import urllib
 import zipfile
-import subprocess
 
 import pytest
 
@@ -16,7 +16,8 @@ class IntegrationTestFile(object):
         self.path = path
 
     def run(self):
-        output = subprocess.check_output([VSPEC_RUNNER, '.', VSPEC_FOLDER, self.path])
+        output = subprocess.check_output(
+            [VSPEC_RUNNER, '.', VSPEC_FOLDER, self.path])
         for line in output.splitlines():
             if line.startswith(b'not ok') or line.startswith(b'Error'):
                 pytest.fail("{} failed:\n{}".format(