Set tile args to None

src/PIL/AvifImagePlugin.py

@@ -114,7 +114,7 @@ def load(self) -> Image.core.PixelAccess | None:
             if self.fp and self._exclusive_fp:
                 self.fp.close()
             self.fp = BytesIO(data)
-            self.tile = [ImageFile._Tile("raw", (0, 0) + self.size, 0, self.mode)]
+            self.tile = [ImageFile._Tile("raw", (0, 0) + self.size, 0, None)]
 
         return super().load()
 
@@ -172,7 +172,7 @@ def _save(
     advanced = info.get("advanced")
     if isinstance(advanced, dict):
         advanced = tuple([k, v] for (k, v) in advanced.items())
-    if advanced is not None:
+    elif advanced is not None:
         try:
             advanced = tuple(advanced)
         except TypeError:
@@ -186,7 +186,7 @@ def _save(
             )
             raise ValueError(msg)
         advanced = tuple(
-            [(str(k).encode("utf-8"), str(v).encode("utf-8")) for k, v in advanced]
+            (str(k).encode("utf-8"), str(v).encode("utf-8")) for k, v in advanced
         )
 
     # Setup the AVIF encoder