repodb.py:13: Imported module (fcntl) not used

repodb.py:13: Imported module (os) not used
repodb.py:22: Imported module (pisi.packagedb) not used
repodb.py:23: Imported module (pisi.util) not used

pisi/repodb.py

@@ -10,8 +10,6 @@
 # Please read the COPYING file.
 #
 
-import os, fcntl
-
 import gettext
 __trans = gettext.translation('pisi', fallback=True)
 _ = __trans.ugettext
@@ -19,8 +17,6 @@ _ = __trans.ugettext
 import pisi
 import pisi.lockeddbshelve as shelve
 import pisi.context as ctx
-import pisi.packagedb as packagedb
-import pisi.util as util
 
 class Error(pisi.Error):
     pass