Reenable ruff rules UP035, UP036, remove RUF100

pyproject.toml

@@ -147,12 +147,6 @@ extend-safe-fixes = [
     "UP036", # Remove unnecessary `sys.version_info` blocks
 ]
 ignore = [
-    ###
-    # TODO: Disabled temporarily, until Python 3.9 support is fully removed in
-    # May 2026.
-    ###
-    "UP035", # import from typing
-    "UP036", # Remove unnecessary `sys.version_info` blocks
     ###
     # Rules that can conflict with the formatter (Black)
     # https://docs.astral.sh/ruff/formatter/#conflicting-lint-rules
@@ -238,6 +232,7 @@ ignore = [
     "D", # pydocstyle
     # See comment on black's force-exclude config above
     "E501", # Line too long
+    "UP036", # Remove unnecessary `sys.version_info` blocks
 ]
 
 [tool.ruff.lint.pydocstyle]

stdlib/_collections_abc.pyi

@@ -1,7 +1,7 @@
 import sys
 from abc import abstractmethod
 from types import MappingProxyType
-from typing import (  # noqa: Y022,Y038,UP035,Y057,RUF100
+from typing import (  # noqa: Y022,Y038,UP035,Y057
     AbstractSet as Set,
     AsyncGenerator as AsyncGenerator,
     AsyncIterable as AsyncIterable,

stdlib/abc.pyi

@@ -2,8 +2,8 @@ import _typeshed
 import sys
 from _typeshed import SupportsWrite
 from collections.abc import Callable
-from typing import Any, Literal, ParamSpec, TypeVar
-from typing_extensions import Concatenate, deprecated
+from typing import Any, Concatenate, Literal, ParamSpec, TypeVar
+from typing_extensions import deprecated
 
 _T = TypeVar("_T")
 _R_co = TypeVar("_R_co", covariant=True)

stdlib/builtins.pyi

@@ -37,11 +37,12 @@ from types import CellType, CodeType, EllipsisType, GenericAlias, NotImplemented
 
 # mypy crashes if any of {ByteString, Sequence, MutableSequence, Mapping, MutableMapping}
 # are imported from collections.abc in builtins.pyi
-from typing import (  # noqa: Y022,UP035,RUF100
+from typing import (  # noqa: Y022,UP035
     IO,
     Any,
     BinaryIO,
     ClassVar,
+    Concatenate,
     Final,
     Generic,
     Mapping,
@@ -64,16 +65,7 @@ from typing import (  # noqa: Y022,UP035,RUF100
 )
 
 # we can't import `Literal` from typing or mypy crashes: see #11247
-from typing_extensions import (  # noqa: Y023
-    Concatenate,
-    Literal,
-    LiteralString,
-    Self,
-    TypeIs,
-    TypeVarTuple,
-    deprecated,
-    disjoint_base,
-)
+from typing_extensions import Literal, LiteralString, Self, TypeIs, TypeVarTuple, deprecated, disjoint_base  # noqa: Y023, UP035
 
 if sys.version_info >= (3, 14):
     from _typeshed import AnnotateFunc

stdlib/curses/__init__.pyi

@@ -2,8 +2,7 @@ from _curses import *
 from _curses import window as window
 from _typeshed import structseq
 from collections.abc import Callable
-from typing import Final, ParamSpec, TypeVar, final, type_check_only
-from typing_extensions import Concatenate
+from typing import Concatenate, Final, ParamSpec, TypeVar, final, type_check_only
 
 # NOTE: The _curses module is ordinarily only available on Unix, but the
 # windows-curses package makes it available on Windows as well with the same

stdlib/typing_extensions.pyi

@@ -30,7 +30,7 @@ from collections.abc import (
 from contextlib import AbstractAsyncContextManager as AsyncContextManager, AbstractContextManager as ContextManager
 from re import Match as Match, Pattern as Pattern
 from types import GenericAlias, ModuleType, UnionType
-from typing import (  # noqa: Y022,Y037,Y038,Y039,UP035,RUF100
+from typing import (  # noqa: Y022,Y037,Y038,Y039,UP035
     IO as IO,
     TYPE_CHECKING as TYPE_CHECKING,
     AbstractSet as AbstractSet,

stubs/WebOb/webob/dec.pyi

@@ -1,7 +1,7 @@
 from _typeshed.wsgi import StartResponse, WSGIApplication, WSGIEnvironment
 from collections.abc import Callable, Iterable, Mapping
-from typing import Any, Generic, ParamSpec, TypeAlias, overload, type_check_only
-from typing_extensions import Concatenate, Never, Self, TypeVar
+from typing import Any, Concatenate, Generic, ParamSpec, TypeAlias, overload, type_check_only
+from typing_extensions import Never, Self, TypeVar
 
 from webob.request import BaseRequest, Request
 from webob.response import Response

stubs/seaborn/seaborn/_core/groupby.pyi

@@ -1,7 +1,6 @@
 from _typeshed import Incomplete
 from collections.abc import Callable, Hashable, Mapping
-from typing import ParamSpec, TypeAlias
-from typing_extensions import Concatenate
+from typing import Concatenate, ParamSpec, TypeAlias
 
 from numpy import ufunc
 from pandas import DataFrame

stubs/seaborn/seaborn/axisgrid.pyi

@@ -1,8 +1,8 @@
 import os
 from _typeshed import Incomplete
 from collections.abc import Callable, Generator, Iterable, Mapping
-from typing import IO, Any, Literal, ParamSpec, TypeAlias, TypeVar
-from typing_extensions import Concatenate, Self, deprecated
+from typing import IO, Any, Concatenate, Literal, ParamSpec, TypeAlias, TypeVar
+from typing_extensions import Self, deprecated
 
 import numpy as np
 from matplotlib.artist import Artist