pychecker fixes

morituri/common/checksum.py

@@ -21,11 +21,9 @@
 # along with morituri.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
-import sys
 import struct
 import zlib
 
-import gobject
 import gst
 
 from morituri.common import common, task

morituri/common/renamer.py

@@ -21,7 +21,6 @@
 # along with morituri.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
-import sys
 import tempfile
 
 """