Loading does not change mode

Author: radarhere

src/PIL/ImageFile.py

@@ -322,7 +322,7 @@ def load(self) -> Image.core.PixelAccess | None:
 
     def load_prepare(self) -> None:
         # create image memory if necessary
-        if self._im is None or self.im.mode != self.mode:
+        if self._im is None:
             self.im = Image.core.new(self.mode, self.size)
         # create palette (optional)
         if self.mode == "P":