code: def expovariate(self, scale):
      return self._rng.exponential(1 / scale)
  
imports: import sys
  import uuid
  import warnings
  from collections import defaultdict, deque
  from collections.abc import Iterable, Iterator, Sized
  from itertools import chain, tee
  import networkx
label_desc: Use image node_id 10 for calling the PythonRandomInterface obj's underlying member method code with example usage: obj.expovariate(scale) and returns: self