Use PEP 585 syntax wherever possible (#6717)

stdlib/xml/dom/minicompat.pyi

@@ -1,14 +1,14 @@
-from typing import Any, Iterable, List, Tuple, Type, TypeVar
+from typing import Any, Iterable, Type, TypeVar
 
 _T = TypeVar("_T")
 
 StringTypes: tuple[Type[str]]
 
-class NodeList(List[_T]):
+class NodeList(list[_T]):
     length: int
     def item(self, index: int) -> _T | None: ...
 
-class EmptyNodeList(Tuple[Any, ...]):
+class EmptyNodeList(tuple[Any, ...]):
     length: int
     def item(self, index: int) -> None: ...
     def __add__(self, other: Iterable[_T]) -> NodeList[_T]: ...  # type: ignore[override]

stdlib/xml/dom/pulldom.pyi

@@ -1,5 +1,5 @@
 import sys
-from typing import IO, Any, Sequence, Tuple, Union
+from typing import IO, Any, Sequence, Union
 from typing_extensions import Literal
 from xml.dom.minidom import Document, DOMImplementation, Element, Text
 from xml.sax.handler import ContentHandler
@@ -17,7 +17,7 @@ CHARACTERS: Literal["CHARACTERS"]
 _DocumentFactory = Union[DOMImplementation, None]
 _Node = Union[Document, Element, Text]
 
-_Event = Tuple[
+_Event = tuple[
     Literal[
         Literal["START_ELEMENT"],
         Literal["END_ELEMENT"],

stdlib/xml/etree/ElementPath.pyi

@@ -1,11 +1,11 @@
-from typing import Callable, Generator, List, Pattern, Tuple, TypeVar
+from typing import Callable, Generator, Pattern, TypeVar
 from xml.etree.ElementTree import Element
 
 xpath_tokenizer_re: Pattern[str]
 
-_token = Tuple[str, str]
+_token = tuple[str, str]
 _next = Callable[[], _token]
-_callback = Callable[[_SelectorContext, List[Element]], Generator[Element, None, None]]
+_callback = Callable[[_SelectorContext, list[Element]], Generator[Element, None, None]]
 
 def xpath_tokenizer(pattern: str, namespaces: dict[str, str] | None = ...) -> Generator[_token, None, None]: ...
 def get_parent_map(context: _SelectorContext) -> dict[Element, Element]: ...

stdlib/xml/etree/ElementTree.pyi

@@ -4,7 +4,6 @@ from typing import (
     IO,
     Any,
     Callable,
-    Dict,
     Generator,
     ItemsView,
     Iterable,
@@ -257,7 +256,7 @@ def fromstringlist(sequence: Sequence[str | bytes], parser: XMLParser | None = .
 # TreeBuilder is called by client code (they could pass strs, bytes or whatever);
 # but we don't want to use a too-broad type, or it would be too hard to write
 # elementfactories.
-_ElementFactory = Callable[[Any, Dict[Any, Any]], Element]
+_ElementFactory = Callable[[Any, dict[Any, Any]], Element]
 
 class TreeBuilder:
     if sys.version_info >= (3, 8):