templater: remove a mutable default argument
Mutable default arguments are know to the state of California to cause bugs.
--- a/mercurial/templater.py Thu Sep 24 01:04:58 2015 -0700
+++ b/mercurial/templater.py Thu Sep 24 01:05:21 2015 -0700
@@ -792,11 +792,13 @@
filter uses function to transform value. syntax is
{key|filter1|filter2|...}.'''
- def __init__(self, loader, filters=None, defaults={}):
+ def __init__(self, loader, filters=None, defaults=None):
self._loader = loader
if filters is None:
filters = {}
self._filters = filters
+ if defaults is None:
+ defaults = {}
self._defaults = defaults
self._cache = {}