tests: convert directory separators to '/' for MSYS in test-check-py-compat
This is the same fix as
8c1d7a0e737b.
--- a/tests/test-check-py3-compat.t Wed Dec 16 17:17:36 2015 -0500
+++ b/tests/test-check-py3-compat.t Wed Dec 16 17:22:37 2015 -0500
@@ -2,7 +2,7 @@
$ cd "$TESTDIR"/..
- $ hg files 'set:(**.py)' | xargs python contrib/check-py3-compat.py
+ $ hg files 'set:(**.py)' | sed 's|\\|/|g' | xargs python contrib/check-py3-compat.py
contrib/casesmash.py not using absolute_import
contrib/check-code.py not using absolute_import
contrib/check-code.py requires print_function