>>> import numpy as np
>>> z = np.linspace(0, 1, 50)

>>> def somefunc(z):
>>>     with no.errstate(all='ignore'):
>>>         return (z**3)/(np.exp(z/(1-z)) * (1-z)**5)

>>> import matplotlib.pyplot as plt
>>> plt.figure()
<matplotlib.figure.Figure object at 0x7f44eeebc1d0>
>>> plt.plot(z, y, 'red')
[<matplotlib.lines.Line2D object at 0x7f44ef17db90>]
>>> plt.show()