Switch to PEP-604 syntax in python2 stubs (#5915)

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

stdlib/@python2/pdb.pyi

@@ -1,7 +1,7 @@
 from bdb import Bdb
 from cmd import Cmd
 from types import FrameType, TracebackType
-from typing import IO, Any, Callable, ClassVar, Dict, Iterable, List, Mapping, Optional, Tuple, TypeVar, Union
+from typing import IO, Any, Callable, ClassVar, Dict, Iterable, List, Mapping, Tuple, TypeVar
 
 _T = TypeVar("_T")
 
@@ -9,12 +9,12 @@ line_prefix: str  # undocumented
 
 class Restart(Exception): ...
 
-def run(statement: str, globals: Optional[Dict[str, Any]] = ..., locals: Optional[Mapping[str, Any]] = ...) -> None: ...
-def runeval(expression: str, globals: Optional[Dict[str, Any]] = ..., locals: Optional[Mapping[str, Any]] = ...) -> Any: ...
+def run(statement: str, globals: Dict[str, Any] | None = ..., locals: Mapping[str, Any] | None = ...) -> None: ...
+def runeval(expression: str, globals: Dict[str, Any] | None = ..., locals: Mapping[str, Any] | None = ...) -> Any: ...
 def runctx(statement: str, globals: Dict[str, Any], locals: Mapping[str, Any]) -> None: ...
-def runcall(func: Callable[..., _T], *args: Any, **kwds: Any) -> Optional[_T]: ...
+def runcall(func: Callable[..., _T], *args: Any, **kwds: Any) -> _T | None: ...
 def set_trace() -> None: ...
-def post_mortem(t: Optional[TracebackType] = ...) -> None: ...
+def post_mortem(t: TracebackType | None = ...) -> None: ...
 def pm() -> None: ...
 
 class Pdb(Bdb, Cmd):
@@ -30,64 +30,60 @@ class Pdb(Bdb, Cmd):
     commands_doprompt: Dict[int, bool]
     commands_silent: Dict[int, bool]
     commands_defining: bool
-    commands_bnum: Optional[int]
-    lineno: Optional[int]
+    commands_bnum: int | None
+    lineno: int | None
     stack: List[Tuple[FrameType, int]]
     curindex: int
-    curframe: Optional[FrameType]
+    curframe: FrameType | None
     curframe_locals: Mapping[str, Any]
     def __init__(
-        self,
-        completekey: str = ...,
-        stdin: Optional[IO[str]] = ...,
-        stdout: Optional[IO[str]] = ...,
-        skip: Optional[Iterable[str]] = ...,
+        self, completekey: str = ..., stdin: IO[str] | None = ..., stdout: IO[str] | None = ..., skip: Iterable[str] | None = ...
     ) -> None: ...
     def forget(self) -> None: ...
-    def setup(self, f: Optional[FrameType], tb: Optional[TracebackType]) -> None: ...
+    def setup(self, f: FrameType | None, tb: TracebackType | None) -> None: ...
     def execRcLines(self) -> None: ...
     def bp_commands(self, frame: FrameType) -> bool: ...
-    def interaction(self, frame: Optional[FrameType], traceback: Optional[TracebackType]) -> None: ...
+    def interaction(self, frame: FrameType | None, traceback: TracebackType | None) -> None: ...
     def displayhook(self, obj: object) -> None: ...
     def handle_command_def(self, line: str) -> bool: ...
     def defaultFile(self) -> str: ...
-    def lineinfo(self, identifier: str) -> Union[Tuple[None, None, None], Tuple[str, str, int]]: ...
+    def lineinfo(self, identifier: str) -> Tuple[None, None, None] | Tuple[str, str, int]: ...
     def checkline(self, filename: str, lineno: int) -> int: ...
     def _getval(self, arg: str) -> object: ...
     def print_stack_trace(self) -> None: ...
     def print_stack_entry(self, frame_lineno: Tuple[FrameType, int], prompt_prefix: str = ...) -> None: ...
-    def lookupmodule(self, filename: str) -> Optional[str]: ...
+    def lookupmodule(self, filename: str) -> str | None: ...
     def _runscript(self, filename: str) -> None: ...
-    def do_commands(self, arg: str) -> Optional[bool]: ...
-    def do_break(self, arg: str, temporary: bool = ...) -> Optional[bool]: ...
-    def do_tbreak(self, arg: str) -> Optional[bool]: ...
-    def do_enable(self, arg: str) -> Optional[bool]: ...
-    def do_disable(self, arg: str) -> Optional[bool]: ...
-    def do_condition(self, arg: str) -> Optional[bool]: ...
-    def do_ignore(self, arg: str) -> Optional[bool]: ...
-    def do_clear(self, arg: str) -> Optional[bool]: ...
-    def do_where(self, arg: str) -> Optional[bool]: ...
-    def do_up(self, arg: str) -> Optional[bool]: ...
-    def do_down(self, arg: str) -> Optional[bool]: ...
-    def do_until(self, arg: str) -> Optional[bool]: ...
-    def do_step(self, arg: str) -> Optional[bool]: ...
-    def do_next(self, arg: str) -> Optional[bool]: ...
-    def do_run(self, arg: str) -> Optional[bool]: ...
-    def do_return(self, arg: str) -> Optional[bool]: ...
-    def do_continue(self, arg: str) -> Optional[bool]: ...
-    def do_jump(self, arg: str) -> Optional[bool]: ...
-    def do_debug(self, arg: str) -> Optional[bool]: ...
-    def do_quit(self, arg: str) -> Optional[bool]: ...
-    def do_EOF(self, arg: str) -> Optional[bool]: ...
-    def do_args(self, arg: str) -> Optional[bool]: ...
-    def do_retval(self, arg: str) -> Optional[bool]: ...
-    def do_p(self, arg: str) -> Optional[bool]: ...
-    def do_pp(self, arg: str) -> Optional[bool]: ...
-    def do_list(self, arg: str) -> Optional[bool]: ...
-    def do_whatis(self, arg: str) -> Optional[bool]: ...
-    def do_alias(self, arg: str) -> Optional[bool]: ...
-    def do_unalias(self, arg: str) -> Optional[bool]: ...
-    def do_help(self, arg: str) -> Optional[bool]: ...
+    def do_commands(self, arg: str) -> bool | None: ...
+    def do_break(self, arg: str, temporary: bool = ...) -> bool | None: ...
+    def do_tbreak(self, arg: str) -> bool | None: ...
+    def do_enable(self, arg: str) -> bool | None: ...
+    def do_disable(self, arg: str) -> bool | None: ...
+    def do_condition(self, arg: str) -> bool | None: ...
+    def do_ignore(self, arg: str) -> bool | None: ...
+    def do_clear(self, arg: str) -> bool | None: ...
+    def do_where(self, arg: str) -> bool | None: ...
+    def do_up(self, arg: str) -> bool | None: ...
+    def do_down(self, arg: str) -> bool | None: ...
+    def do_until(self, arg: str) -> bool | None: ...
+    def do_step(self, arg: str) -> bool | None: ...
+    def do_next(self, arg: str) -> bool | None: ...
+    def do_run(self, arg: str) -> bool | None: ...
+    def do_return(self, arg: str) -> bool | None: ...
+    def do_continue(self, arg: str) -> bool | None: ...
+    def do_jump(self, arg: str) -> bool | None: ...
+    def do_debug(self, arg: str) -> bool | None: ...
+    def do_quit(self, arg: str) -> bool | None: ...
+    def do_EOF(self, arg: str) -> bool | None: ...
+    def do_args(self, arg: str) -> bool | None: ...
+    def do_retval(self, arg: str) -> bool | None: ...
+    def do_p(self, arg: str) -> bool | None: ...
+    def do_pp(self, arg: str) -> bool | None: ...
+    def do_list(self, arg: str) -> bool | None: ...
+    def do_whatis(self, arg: str) -> bool | None: ...
+    def do_alias(self, arg: str) -> bool | None: ...
+    def do_unalias(self, arg: str) -> bool | None: ...
+    def do_help(self, arg: str) -> bool | None: ...
     do_b = do_break
     do_cl = do_clear
     do_w = do_where
@@ -161,7 +157,7 @@ class Pdb(Bdb, Cmd):
 
 # undocumented
 
-def find_function(funcname: str, filename: str) -> Optional[Tuple[str, str, int]]: ...
+def find_function(funcname: str, filename: str) -> Tuple[str, str, int] | None: ...
 def main() -> None: ...
 def help() -> None: ...