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BUG: Explicitly guard against empty bar data in history container

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contstruction.

BarData can be falsey. in create_buffer_panel, the intention of the
check against bar_data was to see if it was passed at all, not if it was
truthey. In order to make that check more explicit, the check now
asserts that bar_data is not None.
This commit is contained in:
Joe Jevnik
2014-11-19 11:55:13 -05:00
parent fcea785b01
commit e7a5e097c4
2 changed files with 2 additions and 2 deletions
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tests/test_history.py
+1 -1
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@@ -22,7 +22,7 @@ import numpy as np
import pandas as pd
from pandas.util.testing import assert_frame_equal
from zipline.history import history, Frequency
from zipline.history import history
from zipline.history.history_container import HistoryContainer
from zipline.protocol import BarData
import zipline.utils.factory as factory