code: def tol_stochastic():
      """Numerical tolerance for equality tests of stochastic values."""
      return TOL_STOCHASTIC
  
imports: import os
  import pathlib
  import numpy
  import pytest
  import pennylane
  from pennylane.devices import DefaultGaussian
label_desc: Use image node_id 2 for calling a global function with example usage: tol_stochastic() and returns: TOL_STOCHASTIC