code: def test_walkers_independent_randn_offset_longdouble(
      nwalkers, ndim, offset
  ):
      assert walkers_independent(
          np.random.randn(nwalkers, ndim)
          + np.ones((nwalkers, ndim), dtype=np.longdouble) * offset
      )
  
imports: import pickle
  from itertools import islice, product
  import numpy
  import pytest
  from emcee import EnsembleSampler, backends, moves, walkers_independent
label_desc: Use image node_id 18 for calling a global function with example usage: test_walkers_independent_randn_offset_longdouble(nwalkers, ndim, offset) without return types