code: def test_init(stability, skew, Reparam):
      if Reparam is SymmetricStableReparam and (
          skew != 0 or stability == 2
      ):
          pytest.skip()
      if stability == 2 and skew in (-1, 1):
          pytest.skip()
  
      def model():
          return pyro.sample("x", dist.Stable(stability, skew))
  
      check_init_reparam(model, Reparam())
  
file_path: pyro/tests/infer/reparam/test_stable.py
imports: import pytest
  import torch
  from scipy.stats import ks_2samp
  from torch.autograd import grad
  import pyro
  import pyro.distributions
  from pyro import poutine
  from pyro.distributions.torch_distribution import MaskedDistribution
  from pyro.infer import Trace_ELBO
  from pyro.infer.autoguide import AutoNormal
  from pyro.infer.reparam import LatentStableReparam, StableReparam, SymmetricStableReparam
  from tests.common import assert_close, xfail_param
  from .util import check_init_reparam
label_desc: Use image node_id 6 for calling a global function with example usage: test_init(stability, skew, Reparam) and returns: pyro