diff --git a/lib/spack/spack/test/cmd/uninstall.py b/lib/spack/spack/test/cmd/uninstall.py
index ea9a63494c2..571eb97105e 100644
--- a/lib/spack/spack/test/cmd/uninstall.py
+++ b/lib/spack/spack/test/cmd/uninstall.py
@@ -10,6 +10,7 @@
 uninstall = SpackCommand('uninstall')
 share = SpackCommand('share')
 
+
 class MockArgs(object):
 
     def __init__(self, packages, all=False, force=False, dependents=False):