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pytz: utcoffset only returns None if dt is None #7510

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Merged
AlexWaygood merged 4 commits into from
Mar 19, 2022
Merged

pytz: utcoffset only returns None if dt is None #7510

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b42a7c6
pytz: utcoffset only returns None if dt is None
JelleZijlstra Mar 17, 2022
daf0e0d
Stricter signature on the superclass
JelleZijlstra Mar 17, 2022
eecf348
no need to change the base class
JelleZijlstra Mar 19, 2022
2a5e2d1
type ignore
JelleZijlstra Mar 19, 2022
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8 changes: 6 additions & 2 deletions stubs/pytz/pytz/tzinfo.pyi
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import datetime
from abc import abstractmethod
from typing import Any
from typing import Any, overload

class BaseTzInfo(datetime.tzinfo):
zone: str | None # Actually None but should be set on concrete subclasses
Expand Down Expand Up @@ -31,5 +31,9 @@ class DstTzInfo(BaseTzInfo):
def localize(self, dt: datetime.datetime, is_dst: bool | None = ...) -> datetime.datetime: ...
def normalize(self, dt: datetime.datetime) -> datetime.datetime: ...
def tzname(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> str: ...
def utcoffset(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> datetime.timedelta | None: ...
# https://github.com/python/mypy/issues/12379
@overload # type: ignore[override]
def utcoffset(self, dt: None, is_dst: bool | None = ...) -> None: ...
@overload
def utcoffset(self, dt: datetime.datetime, is_dst: bool | None = ...) -> datetime.timedelta: ...
def dst(self, dt: datetime.datetime | None, is_dst: bool | None = ...) -> datetime.timedelta | None: ...