Retrieve template.

    Arguments:

        prs:  parser object of argparse
        conn: dictionary of connection information

def parse_get_tmpl(prs, conn):
    """Retrieve template.

    Arguments:

        prs:  parser object of argparse
        conn: dictionary of connection information
    """
    prs_tmpl_get = prs.add_parser(
        'tmpl_get', help='retrieve templates')
    set_option(prs_tmpl_get, 'template')
    conn_options(prs_tmpl_get, conn)
    prs_tmpl_get.set_defaults(func=retrieve_tmpl)