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fix: handle empty input in tim_sort #14805

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Merged
cclauss merged 2 commits into from
Sep 6, 2026
+4 −0
Merged

fix: handle empty input in tim_sort #14805

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0e9f695
fix: handle empty input in tim_sort
pony-maggie Jun 14, 2026
5f2348a
Refactor empty list check in tim_sort
cclauss Sep 6, 2026
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4 changes: 4 additions & 0 deletions sorts/tim_sort.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,12 @@ def tim_sort(lst: list[Any] | tuple[Any, ...] | str) -> list[Any]:
True
>>> tim_sort([3, 2, 1]) == sorted([3, 2, 1])
True
>>> tim_sort([])
[]
"""
length = len(lst)
if length == 0:
return []
runs, sorted_runs = [], []
new_run = [lst[0]]
sorted_array: list[Any] = []
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