properly type _swap_item

discord/ui/action_row.py

@@ -67,6 +67,7 @@ if TYPE_CHECKING:
     from ..components import SelectOption
     from ..interactions import Interaction
     from .container import Container
+    from .dynamic import DynamicItem
 
     SelectCallbackDecorator = Callable[[ItemCallbackType['S', BaseSelectT]], BaseSelectT]
 
@@ -194,7 +195,7 @@ class ActionRow(Item[V]):
         # it should error anyways.
         return True
 
-    def _swap_item(self, base, new, custom_id) -> None:
+    def _swap_item(self, base: Item, new: DynamicItem, custom_id: str) -> None:
         child_index = self._children.index(base)
         self._children[child_index] = new  # type: ignore
 

discord/ui/container.py

@@ -50,6 +50,7 @@ if TYPE_CHECKING:
 
     from ..components import Container as ContainerComponent
     from ..interactions import Interaction
+    from .dynamic import DynamicItem
 
 S = TypeVar('S', bound='Container', covariant=True)
 V = TypeVar('V', bound='LayoutView', covariant=True)
@@ -198,7 +199,7 @@ class Container(Item[V]):
     def _has_children(self):
         return True
 
-    def _swap_item(self, base, new, custom_id) -> None:
+    def _swap_item(self, base: Item, new: DynamicItem, custom_id: str) -> None:
         child_index = self._children.index(base)
         self._children[child_index] = new  # type: ignore
 

discord/ui/section.py

@@ -35,6 +35,7 @@ if TYPE_CHECKING:
     from typing_extensions import Self
 
     from .view import LayoutView
+    from .dynamic import DynamicItem
     from ..components import SectionComponent
 
 V = TypeVar('V', bound='LayoutView', covariant=True)
@@ -111,7 +112,7 @@ class Section(Item[V]):
     def _is_v2(self) -> bool:
         return True
 
-    def _swap_item(self, base, new, custom_id) -> None:
+    def _swap_item(self, base: Item, new: DynamicItem, custom_id: str) -> None:
         if self.accessory.is_dispatchable() and getattr(self.accessory, 'custom_id', None) == custom_id:
             self.accessory = new  # type: ignore