contrib: have byteify-strings explode if run in Python 2
Differential Revision: https://phab.mercurial-scm.org/D6341
--- a/contrib/byteify-strings.py Fri May 03 15:46:09 2019 -0400
+++ b/contrib/byteify-strings.py Fri May 03 15:53:56 2019 -0400
@@ -7,7 +7,7 @@
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
-from __future__ import absolute_import
+from __future__ import absolute_import, print_function
import argparse
import contextlib
@@ -227,4 +227,7 @@
process(fin, fout, opts)
if __name__ == '__main__':
+ if sys.version_info.major < 3:
+ print('This script must be run under Python 3.')
+ sys.exit(3)
main()