From 8cb1518bcd3d1fe2500fc9dc7c137263d7b0bdb3 Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Sun, 6 Feb 2022 12:31:19 +0300
Subject: [PATCH] Improve `readline` typings (#7141)

---
 stdlib/readline.pyi | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/stdlib/readline.pyi b/stdlib/readline.pyi
index fd3a4b1dc..df08a3cc2 100644
--- a/stdlib/readline.pyi
+++ b/stdlib/readline.pyi
@@ -1,10 +1,11 @@
 import sys
 from _typeshed import StrOrBytesPath
-from typing import Callable, Optional, Sequence
+from typing import Callable, Sequence
 
 if sys.platform != "win32":
-    _CompleterT = Optional[Callable[[str, int], Optional[str]]]
-    _CompDispT = Optional[Callable[[str, Sequence[str], int], None]]
+    _Completer = Callable[[str, int], str | None]
+    _CompDisp = Callable[[str, Sequence[str], int], None]
+
     def parse_and_bind(__string: str) -> None: ...
     def read_init_file(__filename: StrOrBytesPath | None = ...) -> None: ...
     def get_line_buffer() -> str: ...
@@ -22,13 +23,13 @@ if sys.platform != "win32":
     def replace_history_item(__pos: int, __line: str) -> None: ...
     def add_history(__string: str) -> None: ...
     def set_auto_history(__enabled: bool) -> None: ...
-    def set_startup_hook(__function: Callable[[], None] | None = ...) -> None: ...
-    def set_pre_input_hook(__function: Callable[[], None] | None = ...) -> None: ...
-    def set_completer(__function: _CompleterT = ...) -> None: ...
-    def get_completer() -> _CompleterT: ...
+    def set_startup_hook(__function: Callable[[], object] | None = ...) -> None: ...
+    def set_pre_input_hook(__function: Callable[[], object] | None = ...) -> None: ...
+    def set_completer(__function: _Completer | None = ...) -> None: ...
+    def get_completer() -> _Completer | None: ...
     def get_completion_type() -> int: ...
     def get_begidx() -> int: ...
     def get_endidx() -> int: ...
     def set_completer_delims(__string: str) -> None: ...
     def get_completer_delims() -> str: ...
-    def set_completion_display_matches_hook(__function: _CompDispT = ...) -> None: ...
+    def set_completion_display_matches_hook(__function: _CompDisp | None = ...) -> None: ...