def append_vobject(self, vtodo, project=None):
if project:<EOL><INDENT>project = basename(project)<EOL><DEDENT>return self.to_task(vtodo.vtodo, project)<EOL>
Add a task from vObject to Taskwarrior
        vtodo -- the iCalendar to add
        project -- the project to add (see get_filesnames() as well)