ENH: Add dtype-support to 3 generic
/ndarray
methods
#19745
Merged
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backport of #19140
closes #19716
While #19140 was technically an enhancement, the problem was that prior to the PR the incorrect usage of
a typevar would ensure that the new dtype was ignored when using the likes of
ndarray.astype
.This PR adds dtype-support to the annotations of the following 3
generic
/ndarray
methods:astype
view
getfield