diff --git a/src/PIL/AniImagePlugin.py b/src/PIL/AniImagePlugin.py
index 0b6cebf57..99d59f068 100644
--- a/src/PIL/AniImagePlugin.py
+++ b/src/PIL/AniImagePlugin.py
@@ -352,7 +352,7 @@ class AniFile:
         return im
 
     def sizes(self):
-        return [data['size'] for data in self.image_data]
+        return [data["size"] for data in self.image_data]
 
     def hotspots(self):
         pass
@@ -362,7 +362,7 @@ class AniImageFile(ImageFile.ImageFile):
     """
     PIL read-only image support for Microsoft Windows .ani files.
 
-    By default the largest resolution image and first frame in the file will 
+    By default the largest resolution image and first frame in the file will
     be loaded.
 
     The info dictionary has four keys: