Error while running TwoParticleResponse/01-Fermi_surface_nesting.ipynb

[rsppatil]

Error at the code line: e_k_interp = np.vectorize(lambda kx, ky : e_k((kx, ky, 0)).real)(kx, ky)
Error message:
TypeError: only 0-dimensional arrays can be converted to Python scalars
...
ValueError: setting an array element with a sequence.