Issue #18189: add test_delegator for Idle Delegator class.
Also change private dict used as a set to a set.
diff --git a/Lib/idlelib/Delegator.py b/Lib/idlelib/Delegator.py
index 60a2cad..c476516 100644
--- a/Lib/idlelib/Delegator.py
+++ b/Lib/idlelib/Delegator.py
@@ -4,16 +4,16 @@
def __init__(self, delegate=None):
self.delegate = delegate
- self.__cache = {}
+ self.__cache = set()
def __getattr__(self, name):
attr = getattr(self.delegate, name) # May raise AttributeError
setattr(self, name, attr)
- self.__cache[name] = attr
+ self.__cache.add(name)
return attr
def resetcache(self):
- for key in self.__cache.keys():
+ for key in self.__cache:
try:
delattr(self, key)
except AttributeError: