show ColorConverter in type annotation

Author: FoamyGuy

adafruit_imageload/__init__.py

@@ -24,7 +24,7 @@
         Union,
     )
 
-    from displayio import Bitmap, Palette
+    from displayio import Bitmap, ColorConverter, Palette
 
     from .displayio_types import BitmapConstructor, PaletteConstructor
 except ImportError:
@@ -39,7 +39,7 @@ def load(
     *,
     bitmap: Optional[BitmapConstructor] = None,
     palette: Optional[PaletteConstructor] = None,
-) -> Tuple[Bitmap, Optional[Palette]]:
+) -> Tuple[Bitmap, Optional[Union[Palette, ColorConverter]]]:
     """Load pixel values (indices or colors) into a bitmap and colors into a palette.
 
     bitmap is the desired type. It must take width, height and color_depth in the constructor. It

adafruit_imageload/bmp/__init__.py

@@ -15,9 +15,9 @@
 
 try:
     from io import BufferedReader
-    from typing import List, Optional, Set, Tuple
+    from typing import List, Optional, Set, Tuple, Union
 
-    from displayio import Bitmap, Palette
+    from displayio import Bitmap, ColorConverter, Palette
 
     from ..displayio_types import BitmapConstructor, PaletteConstructor
 except ImportError:
@@ -32,7 +32,7 @@ def load(
     *,
     bitmap: Optional[BitmapConstructor] = None,
     palette: Optional[PaletteConstructor] = None,
-) -> Tuple[Optional[Bitmap], Optional[Palette]]:
+) -> Tuple[Optional[Bitmap], Optional[Union[Palette, ColorConverter]]]:
     """Loads a bmp image from the open ``file``.
 
     Returns tuple of bitmap object and palette object.