silence DeprecationWarning on CCP4 7.1
silence DeprecationWarning on CCP4 7.1

CCP4 7.1 xia2 throws a DeprecationWarning right at the end of
processing:

> DeprecationWarning: np.asscalar(a) is deprecated since NumPy v1.16, use
> a.item() instead

This is due to Numpy 1.16+Matplotlib 2.2.3

DIALS currently distributes 1.15.4+2.2.3 for Python 2
and 1.15.4+3.0.3 for Python 3.

xia2/xia2,xia2/xia2