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diff --git a/‎examples/widgets/check_buttons.py
Copy file name to clipboardExpand all lines: examples/widgets/check_buttons.py
+3-1Lines changed: 3 additions & 1 deletion b/‎examples/widgets/check_buttons.py
Copy file name to clipboardExpand all lines: examples/widgets/check_buttons.py
+3-1Lines changed: 3 additions & 1 deletion
@@ -21,8 +21,10 @@
 visibility = [line.get_visible() for line in lines]
 check = CheckButtons(rax, labels, visibility)
 
+
 def func(label):
-    lines[labels.index(label)].set_visible(not lines[labels.index(label)].get_visible())
+    index = labels.index(label)
+    lines[index].set_visible(not lines[index].get_visible())
     plt.draw()
 
 check.on_clicked(func)