code format

Author: FoamyGuy

adafruit_display_shapes/roundrect.py

@@ -55,7 +55,9 @@ def __init__(
         if width <= 0 or height <= 0:
             raise ValueError("Rectangle dimensions must be larger than 0.")
         if r > width / 2 or r > height / 2:
-            raise ValueError("Radius cannot exceed half of the smaller side (width or height).")
+            raise ValueError(
+                "Radius cannot exceed half of the smaller side (width or height)."
+            )
 
         self._palette = displayio.Palette(3)
         self._palette.make_transparent(0)