def p_term_dbl_equals(p):
    p[0] = ast.CompareOperator("=", p[1], p[3])
    p[0].set_position(p.lineno(2), p.lexpos(2))
term : factor DBL_EQUALS factor
dataset/ETHPy150Open armon/pypred/pypred/parser.py/p_term_dbl_equals