def nonmanifold_vert(script):
select.nonmanifold_vert(script)<EOL>selected(script, face=False)<EOL>return None<EOL>
Select & delete the non manifold vertices that do not belong to
        non manifold edges.

    For example two cones connected by their apex. Vertices incident on
    non manifold edges are ignored.

    Args:
        script: the FilterScript object or script filename to write
            the filter to.

    Layer stack:
        No impacts

    MeshLab versions:
        2016.12
        1.3.4BETA