diff --git a/extras/hook-scripts/S40ufo-stop.py b/extras/hook-scripts/S40ufo-stop.py
index d7d6756..92418df 100755
--- a/extras/hook-scripts/S40ufo-stop.py
+++ b/extras/hook-scripts/S40ufo-stop.py
@@ -16,7 +16,6 @@
 # limitations under the License.
 
 
-import os
 from optparse import OptionParser
 
 if __name__ == '__main__':
@@ -25,14 +24,13 @@ if __name__ == '__main__':
         from gluster.swift.common.Glusterfs import get_mnt_point, unmount
     except ImportError:
         import sys
-        sys.exit("Openstack Swift does not appear to be installed properly");
+        sys.exit("Openstack Swift does not appear to be installed properly")
 
     op = OptionParser(usage="%prog [options...]")
     op.add_option('--volname', dest='vol', type=str)
     op.add_option('--last', dest='last', type=str)
     (opts, args) = op.parse_args()
 
-
     mnt_point = get_mnt_point(opts.vol)
     if mnt_point:
         unmount(mnt_point)
diff --git a/tox.ini b/tox.ini
index 7793c83..7269319 100644
--- a/tox.ini
+++ b/tox.ini
@@ -21,7 +21,7 @@ downloadcache = ~/cache/pip
 [testenv:pep8]
 changedir = {toxinidir}
 commands =
-  flake8 gluster test
+  flake8 gluster test extras
 
 [testenv:cover]
 setenv = NOSE_WITH_COVERAGE=1