diff --git a/lib/spack/spack/test/modules.py b/lib/spack/spack/test/modules.py
index 7f4643409e5..bb83ea9059b 100644
--- a/lib/spack/spack/test/modules.py
+++ b/lib/spack/spack/test/modules.py
@@ -147,6 +147,7 @@ def mock_open(filename, mode):
     }
 }
 
+
 class HelperFunctionsTests(unittest.TestCase):
 
     def test_update_dictionary_extending_list(self):
@@ -293,7 +294,6 @@ def test_conflicts(self):
         spack.modules.CONFIGURATION = configuration_wrong_conflicts
         self.assertRaises(SystemExit, self.get_modulefile_content, spec)
 
-
     def test_suffixes(self):
         spack.modules.CONFIGURATION = configuration_suffix
         spec = spack.spec.Spec('mpileaks+debug arch=x86-linux')