1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/turtledemo/tree.py b/Lib/turtledemo/tree.py
index 71fff35..9998fa8 100755
--- a/Lib/turtledemo/tree.py
+++ b/Lib/turtledemo/tree.py
@@ -16,7 +16,7 @@ the current pen is cloned. So in the end
 there are 1024 turtles.
 """
 from turtle import Turtle, mainloop
-from time import clock
+from time import perf_counter as clock
 
 def tree(plist, l, a, f):
     """ plist is list of pens