Update do_iter.py

michaelliao · web-flow · commit b1d67cd72959 · 2020-03-17T15:48:42.000+08:00
diff --git a/samples/advance/do_iter.py b/samples/advance/do_iter.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-from collections import Iterable, Iterator
+from collections.abc import Iterable, Iterator
 
 def g():
     yield 1
