add xyzpy to projects (#2189)
add xyzpy to projects (#2189)


shoyer/xarray,markelg/xray,jhamman/xarray,shoyer/xray,jhamman/xray,pydata/xarray,jhamman/xarray,xray/xray,shoyer/xarray,chunweiyuan/xarray,pydata/xarray,markelg/xray,pydata/xarray,markelg/xray,jhamman/xarray