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-rw-r--r--TurtleArt/tautils.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/TurtleArt/tautils.py b/TurtleArt/tautils.py
index e251ccf..5c4614c 100644
--- a/TurtleArt/tautils.py
+++ b/TurtleArt/tautils.py
@@ -285,9 +285,8 @@ def round_int(num):
def calc_image_size(spr):
""" Calculate the maximum size for placing an image onto a sprite. """
- return spr.label_safe_width(), spr.label_safe_height()
-
-
+ return int(max(spr.label_safe_width(), 1)), \
+ int(max(spr.label_safe_height(), 1))
# Collapsible stacks live between 'sandwichtop' and 'sandwichbottom' blocks