Check attribute error for lasso

devRD · QuLogic · web-flow · commit 433406e6a8a6 · 2023-02-22T11:37:24.000+05:30
Co-authored-by: Elliott Sales de Andrade &lt;quantum.analyst@gmail.com&gt;
diff --git a/examples/event_handling/lasso_demo.py b/examples/event_handling/lasso_demo.py
@@ -87,7 +87,7 @@ def on_press(self, event):
         self.canvas.widgetlock(self.lasso)
 
     def on_release(self, event):
-        if self.canvas.widgetlock.isowner(self.lasso):
+        if hasattr(self, 'lasso') and self.canvas.widgetlock.isowner(self.lasso):
             self.canvas.widgetlock.release(self.lasso)
 
 
