Error in numpy example

[amr66]

When i try this in skulpt, i get an error:

import numpy as np
t = np.arange(0.0, 2.0, 0.01)
tt = 2*np.pi*t

TypeError: unsupported operand type(s) for Mult: 'float' and '' on line 3
Im using skuplt inside html and loaded numpy with sk.externalLibraries.