code: def score_parts(self, x):
      log_prob, score_function, _ = self._standard_gamma.score_parts(
          x * self.rate
      )
      log_prob = log_prob + torch.log(self.rate)
      return ScoreParts(log_prob, score_function, log_prob)
  
imports: import torch
  from pyro.distributions.rejector import Rejector
  from pyro.distributions.score_parts import ScoreParts
  from pyro.distributions.torch import Beta, Dirichlet, Gamma, Normal
  from pyro.distributions.util import copy_docs_from, weakmethod
label_desc: Use image node_id 5 for calling the RejectionGamma obj's underlying member method code with example usage: obj.score_parts(x) and returns: ScoreParts