Change ForumTag.emoji to be optional

discord/channel.py

@@ -2006,18 +2006,18 @@ class ForumTag(Hashable):
     moderated: :class:`bool`
         Whether this tag can only be added or removed by a moderator with
         the :attr:`~Permissions.manage_threads` permission.
-    emoji: :class:`PartialEmoji`
+    emoji: Optional[:class:`PartialEmoji`]
         The emoji that is used to represent this tag.
         Note that if the emoji is a custom emoji, it will *not* have name information.
     """
 
     __slots__ = ('name', 'id', 'moderated', 'emoji')
 
-    def __init__(self, *, name: str, emoji: EmojiInputType, moderated: bool = False) -> None:
+    def __init__(self, *, name: str, emoji: Optional[EmojiInputType], moderated: bool = False) -> None:
         self.name: str = name
         self.id: int = 0
         self.moderated: bool = moderated
-        self.emoji: PartialEmoji
+        self.emoji: Optional[PartialEmoji] = None
         if isinstance(emoji, _EmojiTag):
             self.emoji = emoji._to_partial()
         elif isinstance(emoji, str):
@@ -2034,7 +2034,10 @@ class ForumTag(Hashable):
 
         emoji_name = data['emoji_name'] or ''
         emoji_id = utils._get_as_snowflake(data, 'emoji_id') or None  # Coerce 0 -> None
-        self.emoji = PartialEmoji.with_state(state=state, name=emoji_name, id=emoji_id)
+        if not emoji_name and not emoji_id:
+            self.emoji = None
+        else:
+            self.emoji = PartialEmoji.with_state(state=state, name=emoji_name, id=emoji_id)
         return self
 
     def to_dict(self) -> Dict[str, Any]:
@@ -2042,7 +2045,10 @@ class ForumTag(Hashable):
             'name': self.name,
             'moderated': self.moderated,
         }
-        payload.update(self.emoji._to_forum_tag_payload())
+        if self.emoji is not None:
+            payload.update(self.emoji._to_forum_tag_payload())
+        else:
+            payload.update(emoji_id=None, emoji_name=None)
 
         if self.id:
             payload['id'] = self.id
@@ -2393,7 +2399,7 @@ class ForumChannel(discord.abc.GuildChannel, Hashable):
         self,
         *,
         name: str,
-        emoji: PartialEmoji,
+        emoji: Optional[PartialEmoji] = None,
         moderated: bool = False,
         reason: Optional[str] = None,
     ) -> ForumTag:
@@ -2408,7 +2414,7 @@ class ForumChannel(discord.abc.GuildChannel, Hashable):
         ----------
         name: :class:`str`
             The name of the tag. Can only be up to 20 characters.
-        emoji: Union[:class:`str`, :class:`PartialEmoji`]
+        emoji: Optional[Union[:class:`str`, :class:`PartialEmoji`]]
             The emoji to use for the tag.
         moderated: :class:`bool`
             Whether the tag can only be applied by moderators.