diff --git a/Lib/heapq.py b/Lib/heapq.py index 529fc2b5e71..b3616312d91 100644 --- a/Lib/heapq.py +++ b/Lib/heapq.py @@ -130,7 +130,7 @@ 'nlargest', 'nsmallest', 'heappushpop'] from itertools import islice, repeat, count, tee, chain -from operator import itemgetter, neg +from operator import itemgetter import bisect def heappush(heap, item): @@ -413,13 +413,13 @@ def nlargest(n, iterable, key=None): # When key is none, use simpler decoration if key is None: - it = zip(iterable, map(neg, count())) # decorate + it = zip(iterable, count(0,-1)) # decorate result = _nlargest(n, it) return list(map(itemgetter(0), result)) # undecorate # General case, slowest method in1, in2 = tee(iterable) - it = zip(map(key, in1), map(neg, count()), in2) # decorate + it = zip(map(key, in1), count(0,-1), in2) # decorate result = _nlargest(n, it) return list(map(itemgetter(2), result)) # undecorate