Accept None for label box colors

Closes #88
zopefoundation · Mar 20, 2023 · b483687 · b483687
1 parent 2d821f7
commit b483687
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/z3c/rml/chart.py b/src/z3c/rml/chart.py
@@ -293,6 +293,7 @@ class ILabelBase(interfaces.IRMLDirectiveSignature):
     boxStrokeColor = attr.Color(
         title='Box Stroke Color',
         description=('The color of the box border line.'),
+        acceptNone=True,
         required=False)
 
     boxStrokeWidth = attr.Measurement(
@@ -303,6 +304,7 @@ class ILabelBase(interfaces.IRMLDirectiveSignature):
     boxFillColor = attr.Color(
         title='Box Fill Color',
         description=('The color in which the box is filled.'),
+        acceptNone=True,
         required=False)
 
     boxTarget = attr.Text(