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-rw-r--r--Lib/heapq.py8
1 files changed, 2 insertions, 6 deletions
diff --git a/Lib/heapq.py b/Lib/heapq.py
index 04725cd..753c3b7 100644
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -130,7 +130,7 @@ __all__ = ['heappush', 'heappop', 'heapify', 'heapreplace', 'nlargest',
'nsmallest']
from itertools import islice, repeat, count, imap, izip, tee
-from operator import itemgetter
+from operator import itemgetter, neg
import bisect
def heappush(heap, item):
@@ -315,8 +315,6 @@ def nsmallest(n, iterable, key=None):
Equivalent to: sorted(iterable, key=key)[:n]
"""
- if key is None:
- return _nsmallest(n, iterable)
in1, in2 = tee(iterable)
it = izip(imap(key, in1), count(), in2) # decorate
result = _nsmallest(n, it)
@@ -328,10 +326,8 @@ def nlargest(n, iterable, key=None):
Equivalent to: sorted(iterable, key=key, reverse=True)[:n]
"""
- if key is None:
- return _nlargest(n, iterable)
in1, in2 = tee(iterable)
- it = izip(imap(key, in1), count(), in2) # decorate
+ it = izip(imap(key, in1), imap(neg, count()), in2) # decorate
result = _nlargest(n, it)
return map(itemgetter(2), result) # undecorate