Correct example in ColorFloat.from_color255 docstring

Author: pushfoo

arcade/types.py

@@ -620,7 +620,7 @@ def from_color255(cls, color255: RGBA255) -> Self:
         Examples::
 
             >>> ColorFloat.from_color255((255, 0, 0, 255))
-            Color(r=1.0, g=0, b=0, a=1.0)
+            Color(r=1.0, g=0.0, b=0.0, a=1.0)
 
             >>> normalized_half_opacity_green = (0, 255, 0, 127)
             >>> ColorFloat.from_color255(normalized_half_opacity_green)