Add module specification: itemgetter -> operator.itemgetter (GH-12823)
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 3d4e583..b3a0a5f 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -827,7 +827,7 @@
"List unique elements, preserving order. Remember only the element just seen."
# unique_justseen('AAAABBBCCDAABBB') --> A B C D A B
# unique_justseen('ABBCcAD', str.lower) --> A B C A D
- return map(next, map(itemgetter(1), groupby(iterable, key)))
+ return map(next, map(operator.itemgetter(1), groupby(iterable, key)))
def iter_except(func, exception, first=None):
""" Call a function repeatedly until an exception is raised.