curses is not available on Windows (#6749)

stdlib/curses/ascii.pyi

@@ -1,62 +1,63 @@
+import sys
 from typing import TypeVar
 
-_CharT = TypeVar("_CharT", str, int)
+if sys.platform != "win32":
+    _CharT = TypeVar("_CharT", str, int)
 
-NUL: int
-SOH: int
-STX: int
-ETX: int
-EOT: int
-ENQ: int
-ACK: int
-BEL: int
-BS: int
-TAB: int
-HT: int
-LF: int
-NL: int
-VT: int
-FF: int
-CR: int
-SO: int
-SI: int
-DLE: int
-DC1: int
-DC2: int
-DC3: int
-DC4: int
-NAK: int
-SYN: int
-ETB: int
-CAN: int
-EM: int
-SUB: int
-ESC: int
-FS: int
-GS: int
-RS: int
-US: int
-SP: int
-DEL: int
+    NUL: int
+    SOH: int
+    STX: int
+    ETX: int
+    EOT: int
+    ENQ: int
+    ACK: int
+    BEL: int
+    BS: int
+    TAB: int
+    HT: int
+    LF: int
+    NL: int
+    VT: int
+    FF: int
+    CR: int
+    SO: int
+    SI: int
+    DLE: int
+    DC1: int
+    DC2: int
+    DC3: int
+    DC4: int
+    NAK: int
+    SYN: int
+    ETB: int
+    CAN: int
+    EM: int
+    SUB: int
+    ESC: int
+    FS: int
+    GS: int
+    RS: int
+    US: int
+    SP: int
+    DEL: int
 
-controlnames: list[int]
-
-def isalnum(c: str | int) -> bool: ...
-def isalpha(c: str | int) -> bool: ...
-def isascii(c: str | int) -> bool: ...
-def isblank(c: str | int) -> bool: ...
-def iscntrl(c: str | int) -> bool: ...
-def isdigit(c: str | int) -> bool: ...
-def isgraph(c: str | int) -> bool: ...
-def islower(c: str | int) -> bool: ...
-def isprint(c: str | int) -> bool: ...
-def ispunct(c: str | int) -> bool: ...
-def isspace(c: str | int) -> bool: ...
-def isupper(c: str | int) -> bool: ...
-def isxdigit(c: str | int) -> bool: ...
-def isctrl(c: str | int) -> bool: ...
-def ismeta(c: str | int) -> bool: ...
-def ascii(c: _CharT) -> _CharT: ...
-def ctrl(c: _CharT) -> _CharT: ...
-def alt(c: _CharT) -> _CharT: ...
-def unctrl(c: str | int) -> str: ...
+    controlnames: list[int]
+    def isalnum(c: str | int) -> bool: ...
+    def isalpha(c: str | int) -> bool: ...
+    def isascii(c: str | int) -> bool: ...
+    def isblank(c: str | int) -> bool: ...
+    def iscntrl(c: str | int) -> bool: ...
+    def isdigit(c: str | int) -> bool: ...
+    def isgraph(c: str | int) -> bool: ...
+    def islower(c: str | int) -> bool: ...
+    def isprint(c: str | int) -> bool: ...
+    def ispunct(c: str | int) -> bool: ...
+    def isspace(c: str | int) -> bool: ...
+    def isupper(c: str | int) -> bool: ...
+    def isxdigit(c: str | int) -> bool: ...
+    def isctrl(c: str | int) -> bool: ...
+    def ismeta(c: str | int) -> bool: ...
+    def ascii(c: _CharT) -> _CharT: ...
+    def ctrl(c: _CharT) -> _CharT: ...
+    def alt(c: _CharT) -> _CharT: ...
+    def unctrl(c: str | int) -> str: ...