8000 argpartition fails on non-ndarray array-likes · Issue #5524 · numpy/numpy · GitHub
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argpartition fails on non-ndarray array-likes #5524
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@jaimefrio

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@jaimefrio

While partition works, as advertised, array-likeinputs like, e.g. lists:

>>> np.partition([5, 4, 3, 2, 1], 2)
array([1, 2, 3, 4, 5])

argpartition raises an error if its first argument is not an ndarray:

>>> np.argpartition([5, 4, 3, 2, 1], 2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\WinPython-32bit-sp-dev\python-2.7.5\lib\site-packages\numpy\core\fromnumeric.py", line 680, in argpartition
    return a.argpartition(kth, axis, kind=kind, order=order)
AttributeError: 'list' object has no attribute 'argpartition'

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