typo fixed in downsample
typo fixed in downsample

neurodata/ndgrutedb,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndmg,neurodata/ndgrutedb,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,openconnectome/m2g,neurodata/ndgrutedb,neurodata/ndgrutedb,neurodata/ndgrutedb,openconnectome/m2g,neurodata/ndgrutedb,openconnectome/m2g