Change PartialInviteGuild.icon_url_as to mimic Guild.icon_url_as

discord/invite.py

@@ -155,9 +155,16 @@ class PartialInviteGuild:
         """:class:`Asset`: Returns the guild's icon asset."""
         return self.icon_url_as()
     
-    def icon_url_as(self, *, format='webp', size=1024):
+    def is_icon_animated(self):
+        """:class:`bool`: Returns True if the guild has an animated icon.
+
+        .. versionadded:: 1.4
+        """
+        return bool(self.icon and self.icon.startswith('a_'))
+
+    def icon_url_as(self, *, format=None, static_format='webp', size=1024):
         """The same operation as :meth:`Guild.icon_url_as`."""
-        return Asset._from_guild_image(self._state, self.id, self.icon, 'icons', format=format, size=size)
+        return Asset._from_guild_icon(self._state, self, format=format, static_format=static_format, size=size)
 
     @property
     def banner_url(self):