code: def check_loc_scale(distfn, arg, m, v, msg):
      # Make `loc` and `scale` arrays to catch bugs like gh-13580 where
      # `loc` and `scale` arrays improperly broadcast with shapes.
      loc, scale = np.array([10.0, 20.0]), np.array([10.0, 20.0])
      mt, vt = distfn.stats(*arg, loc=loc, scale=scale)
      npt.assert_allclose(m * scale + loc, mt)
      npt.assert_allclose(v * scale * scale, vt)
  
imports: import sys
  import numpy
  import numpy.testing
  import pytest
  from pytest import raises
  from scipy.integrate import IntegrationWarning
  import itertools
  from scipy import stats
  from .common_tests import check_normalization, check_moment, check_mean_expect, check_var_expect, check_skew_expect, check_kurt_expect, check_entropy, check_private_entropy, check_entropy_vect_scale, check_edge_support, check_named_args, check_random_state_property, check_meth_dtype, check_ppf_dtype, check_cmplx_deriv, check_pickling, check_rvs_broadcast, check_freezing, check_munp_expect
  from scipy.stats._distr_params import distcont
  from scipy.stats._distn_infrastructure import rv_continuous_frozen
label_desc: Use image node_id 31 for calling a global function with example usage: check_loc_scale(distfn, arg, m, v, msg) without return types