np.int is throwing a deprecation error

https://github.com/EpistasisLab/scikit-mdr/blob/master/mdr/mdr.py#L126

is throwing

DeprecationWarning: `np.int ` is a deprecated alias for the builtin `int`. To silence this warning, use `int` by itself. Doing this will not modify any behavior and is safe. When replacing `np.int`, you may wish to use e.g. `np.int64` or `np.int32` to specify the precision. If you wish to review your current use, check the release note link for additional information.

Numpy version: 1.24.2
Python version 3.9.1

Deprecation details can be found [here](https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations)