Replace 'Text' with 'str' in py3 stdlib (#5466)

stdlib/xml/sax/__init__.pyi

@@ -1,5 +1,5 @@
 import sys
-from typing import IO, Any, Iterable, List, NoReturn, Optional, Text, Union
+from typing import IO, Any, Iterable, List, NoReturn, Optional, Union
 from xml.sax.handler import ContentHandler, ErrorHandler
 from xml.sax.xmlreader import Locator, XMLReader
 
@@ -29,5 +29,5 @@ else:
     def make_parser(parser_list: List[str] = ...) -> XMLReader: ...
 
 def parse(source: Union[str, IO[str], IO[bytes]], handler: ContentHandler, errorHandler: ErrorHandler = ...) -> None: ...
-def parseString(string: Union[bytes, Text], handler: ContentHandler, errorHandler: Optional[ErrorHandler] = ...) -> None: ...
+def parseString(string: Union[bytes, str], handler: ContentHandler, errorHandler: Optional[ErrorHandler] = ...) -> None: ...
 def _create_parser(parser_name: str) -> XMLReader: ...

stdlib/xml/sax/saxutils.pyi

@@ -1,12 +1,12 @@
 from _typeshed import SupportsWrite
 from codecs import StreamReaderWriter, StreamWriter
 from io import RawIOBase, TextIOBase
-from typing import Mapping, Optional, Text, Union
+from typing import Mapping, Optional, Union
 from xml.sax import handler, xmlreader
 
-def escape(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
-def unescape(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
-def quoteattr(data: Text, entities: Mapping[Text, Text] = ...) -> Text: ...
+def escape(data: str, entities: Mapping[str, str] = ...) -> str: ...
+def unescape(data: str, entities: Mapping[str, str] = ...) -> str: ...
+def quoteattr(data: str, entities: Mapping[str, str] = ...) -> str: ...
 
 class XMLGenerator(handler.ContentHandler):
     def __init__(