Use lowercase tuple where possible (#6170)

stdlib/xml/dom/domreg.pyi

@@ -1,8 +1,8 @@
 from _typeshed.xml import DOMImplementation
-from typing import Callable, Iterable, Tuple
+from typing import Callable, Iterable
 
 well_known_implementations: dict[str, str]
 registered: dict[str, Callable[[], DOMImplementation]]
 
 def registerDOMImplementation(name: str, factory: Callable[[], DOMImplementation]) -> None: ...
-def getDOMImplementation(name: str | None = ..., features: str | Iterable[Tuple[str, str | None]] = ...) -> DOMImplementation: ...
+def getDOMImplementation(name: str | None = ..., features: str | Iterable[tuple[str, str | None]] = ...) -> DOMImplementation: ...

stdlib/xml/dom/minicompat.pyi

@@ -2,7 +2,7 @@ from typing import Any, Iterable, List, Tuple, Type, TypeVar
 
 _T = TypeVar("_T")
 
-StringTypes: Tuple[Type[str]]
+StringTypes: tuple[Type[str]]
 
 class NodeList(List[_T]):
     length: int

stdlib/xml/etree/ElementTree.pyi

@@ -12,7 +12,6 @@ from typing import (
     KeysView,
     MutableSequence,
     Sequence,
-    Tuple,
     TypeVar,
     Union,
     overload,
@@ -26,7 +25,7 @@ VERSION: str
 
 class ParseError(SyntaxError):
     code: int
-    position: Tuple[int, int]
+    position: tuple[int, int]
 
 def iselement(element: object) -> bool: ...
 
@@ -232,16 +231,16 @@ if sys.version_info >= (3, 9):
     def indent(tree: Element | ElementTree, space: str = ..., level: int = ...) -> None: ...
 
 def parse(source: _File, parser: XMLParser | None = ...) -> ElementTree: ...
-def iterparse(source: _File, events: Sequence[str] | None = ..., parser: XMLParser | None = ...) -> Iterator[Tuple[str, Any]]: ...
+def iterparse(source: _File, events: Sequence[str] | None = ..., parser: XMLParser | None = ...) -> Iterator[tuple[str, Any]]: ...
 
 class XMLPullParser:
     def __init__(self, events: Sequence[str] | None = ..., *, _parser: XMLParser | None = ...) -> None: ...
     def feed(self, data: bytes) -> None: ...
     def close(self) -> None: ...
-    def read_events(self) -> Iterator[Tuple[str, Element]]: ...
+    def read_events(self) -> Iterator[tuple[str, Element]]: ...
 
 def XML(text: str | bytes, parser: XMLParser | None = ...) -> Element: ...
-def XMLID(text: str | bytes, parser: XMLParser | None = ...) -> Tuple[Element, dict[str, Element]]: ...
+def XMLID(text: str | bytes, parser: XMLParser | None = ...) -> tuple[Element, dict[str, Element]]: ...
 
 # This is aliased to XML in the source.
 fromstring = XML

stdlib/xml/sax/xmlreader.pyi

@@ -1,4 +1,4 @@
-from typing import Mapping, Tuple
+from typing import Mapping
 
 class XMLReader:
     def __init__(self) -> None: ...
@@ -64,7 +64,7 @@ class AttributesImpl:
     def values(self): ...
 
 class AttributesNSImpl(AttributesImpl):
-    def __init__(self, attrs: Mapping[Tuple[str, str], str], qnames: Mapping[Tuple[str, str], str]) -> None: ...
+    def __init__(self, attrs: Mapping[tuple[str, str], str], qnames: Mapping[tuple[str, str], str]) -> None: ...
     def getValueByQName(self, name): ...
     def getNameByQName(self, name): ...
     def getQNameByName(self, name): ...