code: def _entropy(self, c):
      if c < 0:
          return 1 - c
      else:
          self.b = 1.0 / c
          return rv_continuous._entropy(self, c)
  
imports: import numpy
  from scipy import stats
  from scipy.special import comb
  from scipy.stats.distributions import rv_continuous
  import matplotlib.pyplot
  from numpy import where, inf
  from numpy import abs
label_desc: Use image node_id 7 for calling the genpareto2_gen obj's underlying member method code with example usage: obj._entropy(c) and returns: unknown, rv_continuous