Removed doctest to check for array type.
Removed doctest to check for array type.

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