argparse: Use SupportsWrite instead of IO (#13324)

Author: hamdanal

stdlib/argparse.pyi

@@ -1,5 +1,5 @@
 import sys
-from _typeshed import sentinel
+from _typeshed import SupportsWrite, sentinel
 from collections.abc import Callable, Generator, Iterable, Sequence
 from re import Pattern
 from typing import IO, Any, ClassVar, Final, Generic, NewType, NoReturn, Protocol, TypeVar, overload
@@ -207,8 +207,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
         help: str | None = None,
         metavar: str | None = None,
     ) -> _SubParsersAction[_ArgumentParserT]: ...
-    def print_usage(self, file: IO[str] | None = None) -> None: ...
-    def print_help(self, file: IO[str] | None = None) -> None: ...
+    def print_usage(self, file: SupportsWrite[str] | None = None) -> None: ...
+    def print_help(self, file: SupportsWrite[str] | None = None) -> None: ...
     def format_usage(self) -> str: ...
     def format_help(self) -> str: ...
     @overload
@@ -254,7 +254,7 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     def _get_value(self, action: Action, arg_string: str) -> Any: ...
     def _check_value(self, action: Action, value: Any) -> None: ...
     def _get_formatter(self) -> HelpFormatter: ...
-    def _print_message(self, message: str, file: IO[str] | None = None) -> None: ...
+    def _print_message(self, message: str, file: SupportsWrite[str] | None = None) -> None: ...
 
 class HelpFormatter:
     # undocumented