8000 BUG: MaskedArray inappropriate "setting an array element with a sequence" · Issue #8510 · numpy/numpy · GitHub
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BUG: MaskedArray inappropriate "setting an array element with a sequence" #8510

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eric-wieser opened this issue Jan 20, 2017 · 0 comments
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BUG: MaskedArray inappropriate "setting an array element with a sequence" #8510

eric-wieser opened this issue Jan 20, 2017 · 0 comments
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00 - Bug component: numpy.ma masked arrays

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eric-wieser commented Jan 20, 2017 •
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A worse version of #8461

Obvious bug with scalar arrays:

>>> mask_0d = np.ma.masked_array(1, mask=True)
>>> arr = np.ma.arange(5)
>>> arr[0] = mask_0d
ValueError: setting an array element with a sequence.

More of a missing feature of list conversion:

>>> arr = np.ma.arange(5)
>>> arr[1:3] = [1, np.ma.masked]
ValueError: setting an array element with a sequence.

#expected result:
>>> arr
masked_array(data = [0 1 -- 3 4],
             mask = [False False  True False False],
       fill_value = 999999)
@eric-wieser eric-wieser changed the title MaskedArray inappropriate "setting an array element with a sequence" BUG: MaskedArray inappropriate "setting an array element with a sequence" Jan 20, 2017
@eric-wieser eric-wieser mentioned this issue Jan 21, 2017
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@eric-wieser eric-wieser mentioned this issue Feb 9, 2017
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@eric-wieser eric-wieser added the component: numpy.ma masked arrays label Feb 19, 2017
eric-wieser added a commit to eric-wieser/numpy that referenced this issue Feb 20, 2017
@eric-wieser
BUG: Fix numpy#8510, making MaskedArray.__setitem__ work
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This was referenced Feb 20, 2017
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