algorithms.unique kills python interpreter

[changhiskhan]

32-bit Python 2.7.3 in 64-bit Windows 7

pandas master, numpy 1.6.1

Python 2.7.3 |EPD 7.3-2 (32-bit)| (default, Apr 12 2012, 14:30:37) [MSC v.1500 32 bit (Intel)]
Type "copyright", "credits" or "license" for more information.

IPython 0.14.dev -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object', use 'object??' for extra details.

In [1]: lst = ['A', 'B', 'C', 'D', 'E']

In [2]: import pandas.core.algorithms as algos

In [3]: algos.unique(lst)
Out[3]: array([A, B, C, D, E], dtype=object)

In [4]: len(algos.unique(lst)) # --> triggers "Python has stopped working..."

Oddly enough this actually works:

In [3]: rs = algos.unique(lst)

In [4]: len(rs)
Out[4]: 5

[changhiskhan]

Looks like it's caused by dbfdb07
I rolled back to the commit just before that and it works fine

[wesm]

I figured. I'll look later and get to the bottom of it

Sent from my mobile device

On Sep 11, 2012, at 5:02 PM, Chang She notifications@github.com wrote:

Looks like it's caused by
dbfdb07dbfdb07
I rolled back to the commit just before that and it works fine

—
Reply to this email directly or view it on
GitHubhttps://github.com//issues/1898#issuecomment-8472647.

[wesm]

I'm having a really difficult time reproducing this issue

[wesm]

This seems to only happen with mingw32 =/

[wesm]

looks like that commit fixed it. there's some performance loss but better than getting a segfault...