[Numpy-discussion] ndarray subclassing bug?

[Pierre GM]

On Sunday 10 August 2008 14:26:33 Christoph T. Weidemann wrote:
> Why whould tst.sort() show the correct base class and np.sort show
> NoneType as base class for tst?
> I'd appreciate any insights ...

numpy functions will return arrays of the type which has the largest priority, 
with ndarrays a priority of 1 by default. If you set a Class variable 
__array_priority__ to a number larger than 1, that should fix your problem.