Mainly PEP8 compliance
Mainly PEP8 compliance

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