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author | Raymond Hettinger <python@rcn.com> | 2010-04-10 16:59:03 (GMT) |
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committer | Raymond Hettinger <python@rcn.com> | 2010-04-10 16:59:03 (GMT) |
commit | 56de7e2a367e1a2deef28faec62077b43d4240f6 (patch) | |
tree | f2ff20878166f1942fc7684bfea7448a9b94a696 /Lib/functools.py | |
parent | c075f07a97e6413c4287ffde081900b675611372 (diff) | |
download | cpython-56de7e2a367e1a2deef28faec62077b43d4240f6.zip cpython-56de7e2a367e1a2deef28faec62077b43d4240f6.tar.gz cpython-56de7e2a367e1a2deef28faec62077b43d4240f6.tar.bz2 |
Issue 8361: Remove assert from functools.total_ordering
Diffstat (limited to 'Lib/functools.py')
-rw-r--r-- | Lib/functools.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Lib/functools.py b/Lib/functools.py index 539dc90..d75e44a 100644 --- a/Lib/functools.py +++ b/Lib/functools.py @@ -67,8 +67,9 @@ def total_ordering(cls): ('__lt__', lambda self, other: not self >= other)] } roots = set(dir(cls)) & set(convert) - assert roots, 'must define at least one ordering operation: < > <= >=' - root = max(roots) # prefer __lt __ to __le__ to __gt__ to __ge__ + if not roots: + raise ValueError('must define at least one ordering operation: < > <= >=') + root = max(roots) # prefer __lt__ to __le__ to __gt__ to __ge__ for opname, opfunc in convert[root]: if opname not in roots: opfunc.__name__ = opname |