py3: add __pycache__ to .hgignore Something changed with Python 3 just like million on things. Maybe they should named Python 3 as anaconda or cobra instead of just increasing the version number. This makes test-custom-filters.t pass on Python 3. Differential Revision: https://phab.mercurial-scm.org/D5039

--- a/contrib/python3-whitelist	Thu Nov 08 16:07:16 2018 +0100
+++ b/contrib/python3-whitelist	Sat Oct 13 05:09:18 2018 +0300
@@ -116,6 +116,7 @@
 test-copy-move-merge.t
 test-copy.t
 test-copytrace-heuristics.t
+test-custom-filters.t
 test-debugbuilddag.t
 test-debugbundle.t
 test-debugcommands.t