unused import

git-svn-id: https://xpra.org/svn/Xpra/trunk@14763 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/child_reaper.py

@@ -9,7 +9,7 @@
 # we reap the dead pids so that they don't become zombies,
 # also used for implementing --exit-with-children
 
-import os, sys
+import os
 import signal
 
 from xpra.util import envint, envbool