Implement GIF stickers (fix crash)

discord/enums.py

@@ -694,6 +694,7 @@ class StickerFormatType(Enum):
     png = 1
     apng = 2
     lottie = 3
+    gif = 4
 
     @property
     def file_extension(self) -> str:
@@ -702,9 +703,10 @@ class StickerFormatType(Enum):
             StickerFormatType.png: 'png',
             StickerFormatType.apng: 'png',
             StickerFormatType.lottie: 'json',
+            StickerFormatType.gif: 'gif',
         }
         # fmt: on
-        return lookup[self]
+        return lookup.get(self, 'png')
 
 
 class ReportType(Enum):

discord/types/sticker.py

@@ -30,7 +30,7 @@ from typing_extensions import NotRequired
 from .snowflake import Snowflake
 from .user import User
 
-StickerFormatType = Literal[1, 2, 3]
+StickerFormatType = Literal[1, 2, 3, 4]
 
 
 class StickerItem(TypedDict):

docs/api.rst

@@ -3210,6 +3210,12 @@ of :class:`enum.Enum`.
 
         Represents a sticker with a lottie image.
 
+    .. attribute:: gif
+
+        Represents a sticker with a gif image.
+
+        .. versionadded:: 2.0
+
 .. class:: InviteTarget
 
     Represents the invite type for voice channel invites.