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BUG: Need to be able to append to minute ctable.

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Eddie Hebert
2016-01-21 11:10:07 -05:00
parent 85be1b0a40
commit 3a8be8c624
1 changed files with 1 additions and 1 deletions
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zipline/data/minute_bars.py
+1 -1
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@@ -331,7 +331,7 @@ class BcolzMinuteBarWriter(object):
sidpath = self.sidpath(sid)
if not os.path.exists(sidpath):
return self._init_ctable(sidpath)
return bcolz.ctable(rootdir=sidpath, mode='r')
return bcolz.ctable(rootdir=sidpath, mode='a')
def _zerofill(self, table, numdays):
num_to_prepend = numdays * self._minutes_per_day