def p_expr_include_once(p):
    'expr : INCLUDE_ONCE expr'
    p[0] = ast.Include(p[2], True, lineno=p.lineno(1))
def p_expr_include_once ( p ) : p [ 0 ] = ast . Include ( p [ 2 ] , True , lineno = p . lineno ( 1 ) )
expr : INCLUDE_ONCE expr