fixed bug where numpy.asarray was not loaded in Qobj.__getitem__
fixed bug where numpy.asarray was not loaded in Qobj.__getitem__

zasdfgbnm/qutip,anubhavvardhan/qutip,qutip/qutip,qutip/qutip,cgranade/qutip,zasdfgbnm/qutip,anubhavvardhan/qutip,cgranade/qutip