diff --git a/os_testr/os_testr.py b/os_testr/os_testr.py
index d77f902..9bd8914 100755
--- a/os_testr/os_testr.py
+++ b/os_testr/os_testr.py
@@ -16,7 +16,6 @@
 import copy
 import os
 import subprocess
-import sys
 
 import argparse
 
@@ -106,6 +105,7 @@ def call_subunit_run(test_id, pretty):
     return_code = proc.returncode
     return return_code
 
+
 def call_testtools_run(test_id):
     cmd = ['python', '-m', 'testtools.run', test_id]
     env = copy.deepcopy(os.environ)
@@ -114,6 +114,7 @@ def call_testtools_run(test_id):
     return_code = proc.returncode
     return return_code
 
+
 def main():
     opts = parse_args()
     if opts.pretty and opts.subunit: