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BUG: ndarray to df loses field names #273

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merged 1 commit into from Aug 2, 2015

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commented Aug 1, 2015

I couldn't run a transform on an InteractiveSymbol wrapping an ndarray because it pushed it into a df and lost all the column information

In [1]: es = bz.Data(np.arange(15).reshape(5, 3), fields=list('abc'))

In [2]: bz.transform(es, d=es.a + es.b)
...
KeyError: 'a'

@llllllllll llllllllll added the bug label Aug 1, 2015

@cpcloud cpcloud added this to the 0.3.4 milestone Aug 2, 2015

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commented Aug 2, 2015

Nice find. Merging

cpcloud added a commit that referenced this pull request Aug 2, 2015

Merge pull request #273 from quantopian/ndarray-to-df
BUG: ndarray to df loses field names

@cpcloud cpcloud merged commit 5ec2565 into blaze:master Aug 2, 2015

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