"""
# end of bup preamble
-from __future__ import absolute_import
+from __future__ import absolute_import, print_function
import errno, re, sys, os, subprocess, signal, getopt
+if sys.version_info[0] != 2 \
+ and not os.environ.get('BUP_ALLOW_UNEXPECTED_PYTHON_VERSION') == 'true':
+ print('error: bup may crash with python versions other than 2, or eat your data',
+ file=sys.stderr)
+ sys.exit(2)
+
from subprocess import PIPE
from sys import stderr, stdout
import select