Issue 8361: Remove assert from functools.total_ordering
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 @@
('__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