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BUG: Segfault on isnull(MultiIndex) #5123

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TomAugspurger opened this issue Oct 6, 2013 · 4 comments · Fixed by #5125

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@TomAugspurger
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commented Oct 6, 2013

In [1]: from pandas import *

In [2]: idx = MultiIndex.from_tuples([(0, 'a'), (1, 'b'), (2, 'c')])

In [3]: pd.isnull(idx)
Segmentation fault: 11
(pandas-dev)dhcp80fff527:pandas tom$ 

This is on latest master ('0.12.0-757-g69b67f3'). Numpy 1.7.1.

@TomAugspurger

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commented Oct 6, 2013

FWIW, I'm not sure what I would expect this to return. But probably not a segfault :)

@jtratner

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commented Oct 6, 2013

I'm pretty sure I can fix it right now to not segfault - not really sure what it should return though.

@jtratner

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commented Oct 6, 2013

@TomAugspurger you want to check what it does on 0.11 or 0.12?

@TomAugspurger

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commented Oct 6, 2013

I'm having trouble building on the older versions. I'll try later on a fresh virtualenv.

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