r""" wrapper for scp

def scp_pull(remote_path, local_path='.', remote='localhost', user=None):
    r""" wrapper for scp """
    import utool as ut
    if user is not None:
        remote_uri = user + '@' + remote + ':' + remote_path
    else:
        remote_uri = remote + ':' + remote_path
    scp_exe = 'scp'
    scp_args = (scp_exe, '-r', remote_uri, local_path)
    ut.cmd(scp_args)