Removed reimport of numpy.
Removed reimport of numpy.

cmshobe/landlab,csherwood-usgs/landlab,Carralex/landlab,ManuSchmi88/landlab,amandersillinois/landlab,Carralex/landlab,csherwood-usgs/landlab,cmshobe/landlab,laijingtao/landlab,cmshobe/landlab,landlab/landlab,ManuSchmi88/landlab,ManuSchmi88/landlab,amandersillinois/landlab,RondaStrauch/landlab,landlab/landlab,SiccarPoint/landlab,laijingtao/landlab,RondaStrauch/landlab,decvalts/landlab,SiccarPoint/landlab,Carralex/landlab,decvalts/landlab,landlab/landlab,RondaStrauch/landlab