Use PEP 585 syntax in Python 2, protobuf & _ast stubs, where possible (#6949)

stdlib/@python2/posix.pyi

@@ -1,12 +1,12 @@
 from _typeshed import FileDescriptorLike
-from typing import IO, AnyStr, Dict, List, Mapping, NamedTuple, Sequence, Tuple, TypeVar
+from typing import IO, AnyStr, Mapping, NamedTuple, Sequence, TypeVar
 
 error = OSError
 
-confstr_names: Dict[str, int]
-environ: Dict[str, str]
-pathconf_names: Dict[str, int]
-sysconf_names: Dict[str, int]
+confstr_names: dict[str, int]
+environ: dict[str, str]
+pathconf_names: dict[str, int]
+sysconf_names: dict[str, int]
 
 _T = TypeVar("_T")
 
@@ -112,7 +112,7 @@ def fchown(fd: int, uid: int, gid: int) -> None: ...
 def fdatasync(fd: FileDescriptorLike) -> None: ...
 def fdopen(fd: int, mode: str = ..., bufsize: int = ...) -> IO[str]: ...
 def fork() -> int: ...
-def forkpty() -> Tuple[int, int]: ...
+def forkpty() -> tuple[int, int]: ...
 def fpathconf(fd: int, name: str) -> None: ...
 def fstat(fd: int) -> stat_result: ...
 def fstatvfs(fd: int) -> statvfs_result: ...
@@ -123,15 +123,15 @@ def getcwdu() -> unicode: ...
 def getegid() -> int: ...
 def geteuid() -> int: ...
 def getgid() -> int: ...
-def getgroups() -> List[int]: ...
-def getloadavg() -> Tuple[float, float, float]: ...
+def getgroups() -> list[int]: ...
+def getloadavg() -> tuple[float, float, float]: ...
 def getlogin() -> str: ...
 def getpgid(pid: int) -> int: ...
 def getpgrp() -> int: ...
 def getpid() -> int: ...
 def getppid() -> int: ...
-def getresgid() -> Tuple[int, int, int]: ...
-def getresuid() -> Tuple[int, int, int]: ...
+def getresgid() -> tuple[int, int, int]: ...
+def getresuid() -> tuple[int, int, int]: ...
 def getsid(pid: int) -> int: ...
 def getuid() -> int: ...
 def initgroups(username: str, gid: int) -> None: ...
@@ -140,7 +140,7 @@ def kill(pid: int, sig: int) -> None: ...
 def killpg(pgid: int, sig: int) -> None: ...
 def lchown(path: unicode, uid: int, gid: int) -> None: ...
 def link(source: unicode, link_name: str) -> None: ...
-def listdir(path: AnyStr) -> List[AnyStr]: ...
+def listdir(path: AnyStr) -> list[AnyStr]: ...
 def lseek(fd: int, pos: int, how: int) -> None: ...
 def lstat(path: unicode) -> stat_result: ...
 def major(device: int) -> int: ...
@@ -151,9 +151,9 @@ def mkfifo(path: unicode, mode: int = ...) -> None: ...
 def mknod(filename: unicode, mode: int = ..., device: int = ...) -> None: ...
 def nice(increment: int) -> int: ...
 def open(file: unicode, flags: int, mode: int = ...) -> int: ...
-def openpty() -> Tuple[int, int]: ...
+def openpty() -> tuple[int, int]: ...
 def pathconf(path: unicode, name: str) -> str: ...
-def pipe() -> Tuple[int, int]: ...
+def pipe() -> tuple[int, int]: ...
 def popen(command: str, mode: str = ..., bufsize: int = ...) -> IO[str]: ...
 def putenv(varname: str, value: str) -> None: ...
 def read(fd: int, n: int) -> str: ...
@@ -182,20 +182,20 @@ def sysconf(name: str | int) -> int: ...
 def system(command: unicode) -> int: ...
 def tcgetpgrp(fd: int) -> int: ...
 def tcsetpgrp(fd: int, pg: int) -> None: ...
-def times() -> Tuple[float, float, float, float, float]: ...
+def times() -> tuple[float, float, float, float, float]: ...
 def tmpfile() -> IO[str]: ...
 def ttyname(fd: int) -> str: ...
 def umask(mask: int) -> int: ...
-def uname() -> Tuple[str, str, str, str, str]: ...
+def uname() -> tuple[str, str, str, str, str]: ...
 def unlink(path: unicode) -> None: ...
 def unsetenv(varname: str) -> None: ...
 def urandom(n: int) -> str: ...
-def utime(path: unicode, times: Tuple[int, int] | None) -> None: ...
+def utime(path: unicode, times: tuple[int, int] | None) -> None: ...
 def wait() -> int: ...
 
-_r = Tuple[float, float, int, int, int, int, int, int, int, int, int, int, int, int, int, int]
+_r = tuple[float, float, int, int, int, int, int, int, int, int, int, int, int, int, int, int]
 
-def wait3(options: int) -> Tuple[int, int, _r]: ...
-def wait4(pid: int, options: int) -> Tuple[int, int, _r]: ...
+def wait3(options: int) -> tuple[int, int, _r]: ...
+def wait4(pid: int, options: int) -> tuple[int, int, _r]: ...
 def waitpid(pid: int, options: int) -> int: ...
 def write(fd: int, str: str) -> int: ...