pylint, pyflakes: remove unused or duplicate imports
[ original upstream message, already done for run-tests.py ]
--- a/tests/killdaemons.py Sun Jul 05 11:01:30 2009 +0200
+++ b/tests/killdaemons.py Wed Apr 14 17:58:10 2010 +0900
@@ -1,6 +1,6 @@
#!/usr/bin/env python
-import os, sys, time, errno, signal
+import os, time, errno, signal
# Kill off any leftover daemon processes
try: