bpo-42450: Minor updates to the itertools recipes (GH-23555)
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index eaa6197..702cf08 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -2290,7 +2290,7 @@ def test_permutations_sizeof(self):
... "Count how many times the predicate is true"
... return sum(map(pred, iterable))
->>> def padnone(iterable):
+>>> def pad_none(iterable):
... "Returns the sequence elements and then returns None indefinitely"
... return chain(iterable, repeat(None))
@@ -2460,7 +2460,7 @@ def test_permutations_sizeof(self):
>>> list(pairwise('a'))
[]
->>> list(islice(padnone('abc'), 0, 6))
+>>> list(islice(pad_none('abc'), 0, 6))
['a', 'b', 'c', None, None, None]
>>> list(ncycles('abc', 3))