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make inspect.isabstract() always return a boolean; add a test for it, too #7069

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Benjamin Peterson 2009-10-15 03:06:55 +00:00
parent ca2d2529ce
commit c63457b18e
3 changed files with 26 additions and 1 deletions
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2
Lib/inspect.py
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@ -242,7 +242,7 @@ def isroutine(object):
def isabstract(object):
"""Return true if the object is an abstract base class (ABC)."""
return isinstance(object, type) and object.__flags__ & TPFLAGS_IS_ABSTRACT
return bool(isinstance(object, type) and object.__flags__ & TPFLAGS_IS_ABSTRACT)
def getmembers(object, predicate=None):
"""Return all members of an object as (name, value) pairs sorted by name.