py3: byteify contrib/check-config.py
The corresponding *.t still fails because of bytes (with a 'b' prefix) vs str
printing, but no longer crashes.
# skip-blame for b'' prefixing
#!/usr/bin/env python
from __future__ import absolute_import, print_function
import errno
import os
import sys
for f in sys.argv[1:]:
try:
print(f, '->', os.readlink(f))
except OSError as err:
if err.errno != errno.EINVAL:
raise
print(f, '->', f, 'not a symlink')
sys.exit(0)