Rohan Modi

Hello, I'm getting ```python AttributeError: module 'numpy' has no attribute 'NAN' ``` Running this code: ```python import spinmob as sm import numpy as np x_1 = np.linspace(0, 10, 100) y_1...

As discussed in #110, the deprecation of `numpy.NAN` appears to still cause issues even on recent versions of packages, and uncommenting the _hacky_ fix from f72e68e of `numpy.NAN=numpy.nan` seems to...