small bug fix
small bug fix

neurodata/ocp-journal-paper,neurodata/ocp-journal-paper,openconnectome/ocp-journal-paper,openconnectome/ocp-journal-paper,openconnectome/ocp-journal-paper,neurodata/ocp-journal-paper,openconnectome/ocp-journal-paper,neurodata/ocp-journal-paper