diff options
Diffstat (limited to 'Lib/datetime.py')
| -rw-r--r-- | Lib/datetime.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Lib/datetime.py b/Lib/datetime.py index 47e54ec2359..1ae7cb5305a 100644 --- a/Lib/datetime.py +++ b/Lib/datetime.py @@ -485,7 +485,11 @@ class timedelta: def __sub__(self, other): if isinstance(other, timedelta): - return self + -other + # for CPython compatibility, we cannot use + # our __class__ here, but need a real timedelta + return timedelta(self._days - other._days, + self._seconds - other._seconds, + self._microseconds - other._microseconds) return NotImplemented def __rsub__(self, other): |