Use iscoroutinefunction from inspect instead of asyncio on 3.12+

discord/app_commands/commands.py

@@ -58,7 +58,16 @@ from ..message import Message
 from ..user import User
 from ..member import Member
 from ..permissions import Permissions
-from ..utils import resolve_annotation, MISSING, is_inside_class, maybe_coroutine, async_all, _shorten, _to_kebab_case
+from ..utils import (
+    resolve_annotation,
+    MISSING,
+    is_inside_class,
+    maybe_coroutine,
+    async_all,
+    _iscoroutinefunction,
+    _shorten,
+    _to_kebab_case,
+)
 
 if TYPE_CHECKING:
     from typing_extensions import ParamSpec, Concatenate, Unpack
@@ -346,7 +355,7 @@ def _populate_autocomplete(params: Dict[str, CommandParameter], autocomplete: Di
         if callback is MISSING:
             continue
 
-        if not inspect.iscoroutinefunction(callback):
+        if not _iscoroutinefunction(callback):
             raise TypeError('autocomplete callback must be a coroutine function')
 
         if param.type not in (AppCommandOptionType.string, AppCommandOptionType.number, AppCommandOptionType.integer):
@@ -1037,7 +1046,7 @@ class Command(Generic[GroupT, P, T]):
             The coroutine passed is not actually a coroutine.
         """
 
-        if not inspect.iscoroutinefunction(coro):
+        if not _iscoroutinefunction(coro):
             raise TypeError('The error handler must be a coroutine.')
 
         self.on_error = coro
@@ -1098,7 +1107,7 @@ class Command(Generic[GroupT, P, T]):
         """
 
         def decorator(coro: AutocompleteCallback[GroupT, ChoiceT]) -> AutocompleteCallback[GroupT, ChoiceT]:
-            if not inspect.iscoroutinefunction(coro):
+            if not _iscoroutinefunction(coro):
                 raise TypeError('The autocomplete callback must be a coroutine function.')
 
             try:
@@ -1347,7 +1356,7 @@ class ContextMenu:
             The coroutine passed is not actually a coroutine.
         """
 
-        if not inspect.iscoroutinefunction(coro):
+        if not _iscoroutinefunction(coro):
             raise TypeError('The error handler must be a coroutine.')
 
         self.on_error = coro
@@ -1840,7 +1849,7 @@ class Group:
             The coroutine passed is not actually a coroutine, or is an invalid coroutine.
         """
 
-        if not inspect.iscoroutinefunction(coro):
+        if not _iscoroutinefunction(coro):
             raise TypeError('The error handler must be a coroutine.')
 
         params = inspect.signature(coro).parameters
@@ -1990,7 +1999,7 @@ class Group:
         """
 
         def decorator(func: CommandCallback[GroupT, P, T]) -> Command[GroupT, P, T]:
-            if not inspect.iscoroutinefunction(func):
+            if not _iscoroutinefunction(func):
                 raise TypeError('command function must be a coroutine function')
 
             if description is MISSING:
@@ -2051,7 +2060,7 @@ def command(
     """
 
     def decorator(func: CommandCallback[GroupT, P, T]) -> Command[GroupT, P, T]:
-        if not inspect.iscoroutinefunction(func):
+        if not _iscoroutinefunction(func):
             raise TypeError('command function must be a coroutine function')
 
         if description is MISSING:
@@ -2123,7 +2132,7 @@ def context_menu(
     """
 
     def decorator(func: ContextMenuCallback) -> ContextMenu:
-        if not inspect.iscoroutinefunction(func):
+        if not _iscoroutinefunction(func):
             raise TypeError('context menu function must be a coroutine function')
 
         actual_name = func.__name__.title() if name is MISSING else name