build local docs using matplotlib Agg backend
build local docs using matplotlib Agg backend

pydata/xarray,jhamman/xarray,rabernat/xray,shoyer/xarray,pydata/xarray,chunweiyuan/xarray,markelg/xray,cpaulik/xray,NicWayand/xray,jhamman/xray,jhamman/xarray,shoyer/xray,markelg/xray,cpaulik/xray,pydata/xarray,drewokane/xray,xray/xray,jcmgray/xarray,markelg/xray,jhamman/xarray,rabernat/xray,shoyer/xarray,petercable/xray