Add support for PartialMessageable instances

This allows library users to send messages to channels without fetching
it first.

1 files changed, 3 insertions, 3 deletions

diff --git a/discord/message.py b/discord/message.py
index 270ac9e9..d752c8c7 100644
--- a/discord/message.py
+++ b/discord/message.py
@@ -70,7 +70,7 @@ if TYPE_CHECKING:
     from .abc import GuildChannel, PartialMessageableChannel, MessageableChannel
     from .components import Component
     from .state import ConnectionState
-    from .channel import TextChannel, GroupChannel, DMChannel
+    from .channel import TextChannel, GroupChannel, DMChannel, PartialMessageable
     from .mentions import AllowedMentions
     from .user import User
     from .role import Role
@@ -520,7 +520,7 @@ class Message(Hashable):
         This is not stored long term within Discord's servers and is only used ephemerally.
     embeds: List[:class:`Embed`]
         A list of embeds the message has.
-    channel: Union[:class:`TextChannel`, :class:`Thread`, :class:`DMChannel`, :class:`GroupChannel`]
+    channel: Union[:class:`TextChannel`, :class:`Thread`, :class:`DMChannel`, :class:`GroupChannel`, :class:`PartialMessageable`]
         The :class:`TextChannel` or :class:`Thread` that the message was sent from.
         Could be a :class:`DMChannel` or :class:`GroupChannel` if it's a private message.
     reference: Optional[:class:`~discord.MessageReference`]
@@ -646,7 +646,7 @@ class Message(Hashable):
         self,
         *,
         state: ConnectionState,
-        channel: Union[TextChannel, Thread, DMChannel, GroupChannel],
+        channel: Union[TextChannel, Thread, DMChannel, GroupChannel, PartialMessageable],
         data: MessagePayload,
     ):
         self._state: ConnectionState = state