Removed reimport of numpy.
Removed reimport of numpy.

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