diff options
| -rw-r--r-- | Lib/fractions.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_fractions.py | 1 | ||||
| -rw-r--r-- | Misc/NEWS | 3 |
3 files changed, 5 insertions, 1 deletions
diff --git a/Lib/fractions.py b/Lib/fractions.py index a7120522cf..8330202d70 100644 --- a/Lib/fractions.py +++ b/Lib/fractions.py @@ -81,7 +81,7 @@ class Fraction(numbers.Rational): __slots__ = ('_numerator', '_denominator') # We're immutable, so use __new__ not __init__ - def __new__(cls, numerator=0, denominator=None, _normalize=True): + def __new__(cls, numerator=0, denominator=None, *, _normalize=True): """Constructs a Rational. Takes a string like '3/2' or '1.5', another Rational instance, a diff --git a/Lib/test/test_fractions.py b/Lib/test/test_fractions.py index 664c735469..7905c367ba 100644 --- a/Lib/test/test_fractions.py +++ b/Lib/test/test_fractions.py @@ -150,6 +150,7 @@ class FractionTest(unittest.TestCase): self.assertRaises(TypeError, F, "3/2", 3) self.assertRaises(TypeError, F, 3, 0j) self.assertRaises(TypeError, F, 3, 1j) + self.assertRaises(TypeError, F, 1, 2, 3) @requires_IEEE_754 def testInitFromFloat(self): @@ -46,6 +46,9 @@ Core and Builtins Library ------- +- Issue #27832: Make ``_normalize`` parameter to ``Fraction`` constuctor + keyword-only, so that ``Fraction(2, 3, 4)`` now raises ``TypeError``. + - Issue #27539: Fix unnormalised ``Fraction.__pow__`` result in the case of negative exponent and negative base. |