def __repr__(self):
        return "<chunk.RegexpParser with %d stages>" % len(self._stages)
Rewrite the integral fac*po*g1*g2 from 0 to oo in terms of G functions
dataset/ETHPy150Open nltk/nltk/nltk/chunk/regexp.py/RegexpParser.__repr__--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/integrals/meijerint.py/_rewrite_saxena