code: def all_distributions(request):
      return request.param
  
imports: import math
  from math import pi
  import numpy
  import pytest
  import scipy.stats
  import pyro.distributions
  from pyro.distributions.testing.naive_dirichlet import NaiveBeta, NaiveDirichlet
  from pyro.distributions.testing.rejection_exponential import RejectionExponential
  from pyro.distributions.testing.rejection_gamma import ShapeAugmentedBeta, ShapeAugmentedDirichlet, ShapeAugmentedGamma
  from tests.distributions.dist_fixture import Fixture
label_desc: Use image node_id 1 for calling a global function with example usage: all_distributions(request) and returns: request