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Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful

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Nick Coghlan 2008-07-15 14:27:37 +00:00
parent 9ace15ca25
commit 53663a695e
14 changed files with 134 additions and 134 deletions
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6
Lib/decimal.py
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@ -3697,10 +3697,8 @@ class Context(object):
for flag in flags:
self._ignored_flags.remove(flag)
def __hash__(self):
"""A Context cannot be hashed."""
# We inherit object.__hash__, so we must deny this explicitly
raise TypeError("Cannot hash a Context.")
# We inherit object.__hash__, so we must deny this explicitly
__hash__ = None
def Etiny(self):
"""Returns Etiny (= Emin - prec + 1)"""