code: def rng(self):
      return np.random.RandomState(10)
  
imports: import arviz
  import numpy
  import pytensor
  import pytensor.tensor
  import pytest
  from scipy.spatial import distance
  import pymc
label_desc: Use image node_id 1 for calling the _BaseFixtures obj's underlying member method code with example usage: obj.rng() and returns: np