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Checking for "None" drag handlers to prevent errors when clicking certain stacks.

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This commit is contained in:
Joe R 2022-07-26 21:35:44 -04:00
parent fbcd5d4ec8
commit b5a305340d
1 changed files with 1 additions and 1 deletions
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2
pysollib/stack.py
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@ -1123,7 +1123,7 @@ class Stack:
if start_drag:
# this handler may start a drag operation
r = handler(event)
if r <= 0:
if r is not None and r <= 0:
sound = r == 0
self.startDrag(event, sound=sound)
else: