diff --git a/compiler/tests/regress.py b/compiler/tests/regress.py
index 3fd5d6eb..383ef8fa 100755
--- a/compiler/tests/regress.py
+++ b/compiler/tests/regress.py
@@ -9,7 +9,7 @@
 
 import re
 import unittest
-import sys,os
+import sys, os
 sys.path.append(os.getenv("OPENRAM_HOME"))
 import globals
 
@@ -47,12 +47,12 @@ suite = unittest.TestSuite()
 load = unittest.defaultTestLoader.loadTestsFromModule
 suite.addTests(map(load, modules))
 
-test_runner = unittest.TextTestRunner(verbosity=2,stream=sys.stderr)
+test_runner = unittest.TextTestRunner(verbosity=2, stream=sys.stderr)
 test_result = test_runner.run(suite)
 
 import verify
 verify.print_drc_stats()
 verify.print_lvs_stats()
-verify.print_pex_stats()        
+verify.print_pex_stats()
 
 sys.exit(not test_result.wasSuccessful())