MNT: Fix building scipy on Travis
MNT: Fix building scipy on Travis

dopplershift/MetPy,jrleeman/MetPy,ShawnMurd/MetPy,ahaberlie/MetPy,Unidata/MetPy,jrleeman/MetPy,Unidata/MetPy,ahaberlie/MetPy,dopplershift/MetPy