[issue31097] itertools.islice not accepting np.int64

[LB]

New submission from LB:

The error arises when this code is used:
itertools.islice( [3, 4, 5], np.int64(2) )

but not with this
itertools.islice([3,4,5], 2)

--
components: Library (Lib)
messages: 299617
nosy: braaannigan
priority: normal
severity: normal
status: open
title: itertools.islice not accepting np.int64
type: crash
versions: Python 3.6

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[issue31097] itertools.islice not accepting np.int64

[LB]

LB added the comment:

Thanks Ray. The use case is here:
https://stackoverflow.com/questions/45356718/saving-matplotlib-animation-leads-to-error/45438057#45438057

I'm going to suggest a workaround in matplotlib for the moment.  Changing type 
in this use case shouldn't be a big issue, it only happens once for each 
animation created.

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[issue31097] itertools.islice not accepting np.int64

[LB]

LB added the comment:

Hi Mark - I've done that here:
https://github.com/matplotlib/matplotlib/issues/8973

Liam

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