-#!/usr/bin/python
+#!/usr/bin/python3
from __future__ import print_function
for (pkg, spkg) in iter(pkgs.items()):
f.write("%s:%s\n" % (pkg, spkg))
f.close()
-os.chmod(outname + ".tmp", 0644)
+os.chmod(outname + ".tmp", 0o644)
os.rename(outname + ".tmp", outname)