# end of bup preamble
from __future__ import absolute_import
-import os, random, sys
-sys.path[:0] = [os.path.dirname(os.path.realpath(__file__)) + '/..']
+# Intentionally replace the dirname "$0" that python prepends
+import os, sys
+sys.path[0] = os.path.dirname(os.path.realpath(__file__)) + '/..'
+
+import random
from bup import compat, options
from bup.compat import argv_bytes, bytes_from_uint, range