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-rw-r--r--TurtleArt/tawindow.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index b214dbb..d83b9b7 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -1318,7 +1318,7 @@ class TurtleArtWindow():
return
(sx, sy) = blk.spr.get_xy()
for i, c in enumerate(blk.connections):
- if i > 0 and c is not None:
+ if i > 0 and c is not None and i < len(blk.docks):
bdock = blk.docks[i]
for j in range(len(c.docks)):
if j < len(c.connections) and c.connections[j] == blk: