Show as sprite group with update

1 files changed, 3 insertions, 1 deletions

diff --git a/src/sliceitoff/display/display.py b/src/sliceitoff/display/display.py
index 06b222c..c2a3e44 100644
--- a/src/sliceitoff/display/display.py
+++ b/src/sliceitoff/display/display.py
@@ -28,8 +28,10 @@ class Display():
     def update(self, groups = None):
         """ Updates the screen: clear, blit gropus and flip """
         self.screen.fill(Stats.bgcolor, rect=Scaling.active)
+        #(g.draw(self.screen) for g in groups if g)
         for group in groups:
-            group.draw(self.screen)
+            if group:
+                group.draw(self.screen)
         self.screen.fill(Stats.bordercolor, rect=Scaling.borders[0])
         self.screen.fill(Stats.bordercolor, rect=Scaling.borders[1])
         pygame.display.flip()