issue with higher version of numpy.

[usccolumbia]

File "/Users/jason/opt/anaconda3/lib/python3.9/site-packages/matminer/featurizers/structure/matrix.py", line 292, in init
my_ohvs[Z] = self.get_ohv(el, period_tag)
File "/Users/jason/opt/anaconda3/lib/python3.9/site-packages/matminer/featurizers/structure/matrix.py", line 338, in get_ohv
my_ohv = np.zeros(self.size, np.int)
File "/Users/jason/opt/anaconda3/lib/python3.9/site-packages/numpy/init.py", line 305, in getattr
raise AttributeError(former_attrs[attr])
AttributeError: module 'numpy' has no attribute 'int'.