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ENH: Use sort() instead of sorted() for efficiency

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Jonathan Kamens
2013-07-24 12:43:26 -04:00
parent a1a1fbf21f
commit 86682b4097
1 changed files with 4 additions and 2 deletions
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zipline/utils/tradingcalendar.py
+4 -2
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@@ -236,7 +236,8 @@ def get_non_trading_days(start, end):
# - President Gerald R. Ford - Jan 2, 2007
non_trading_days.append(datetime(2007, 1, 2, tzinfo=pytz.utc))
return pd.DatetimeIndex(sorted(non_trading_days))
non_trading_days.sort()
return pd.DatetimeIndex(non_trading_days)
def get_trading_days(start, end):
@@ -350,4 +351,5 @@ def get_early_closes(start, end):
if start <= nye_1999 and nye_1999 <= end:
early_closes.append(nye_1999)
return pd.DatetimeIndex(sorted(early_closes))
early_closes.sort()
return pd.DatetimeIndex(early_closes)