Update widgets.py

mromanie · web-flow · commit d6c2cbe337d8 · 2019-02-06T15:55:38.000+01:00
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -1034,7 +1034,7 @@ def __init__(self, ax, labels, active=0, activecolor='blue', orientation='vertic
             
         # in case of horizontal buttons, write them left-to-right
         if orientation == 'horizontal':
-            labels.reverse()
+            labels = labels[::-1]
             active = (len(labels) - 1) - active
             
         self.labels = []
