Fix Gtk-WARNING Don't know color

Documentation for Gtk.TextBuffer.create_tag gives an example of using a string for the foreground colour, not a Gdk.Color.
sugarlabs · Aug 5, 2020 · d36f122 · d36f122
1 parent 6be1180
commit d36f122
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/calculate.py b/calculate.py
@@ -267,9 +267,9 @@ def create_history_object(self):
             Gdk.color_parse(self.color.get_fill_color()).green_float +
             Gdk.color_parse(self.color.get_fill_color()).blue_float) / 3.0
         if bright < 0.5:
-            col = Gdk.color_parse('white')
+            col = 'white'
         else:
-            col = Gdk.color_parse('black')
+            col = 'black'
         tagcolor = buf.create_tag(foreground=col)
 
         # Add label, equation and result