code: def test_autocorr_multi_works():
      np.random.seed(42)
      xs = np.random.randn(16384, 2)
  
      acls_multi = integrated_time(xs[:, np.newaxis])
      acls_single = np.array(
          [integrated_time(xs[:, i]) for i in range(xs.shape[1])]
      ).squeeze()
  
      assert np.allclose(acls_multi, acls_single)
  
file_path: emcee/src/emcee/tests/unit/test_autocorr.py
imports: import numpy
  import pytest
  from emcee.autocorr import AutocorrError, integrated_time
label_desc: Use image node_id 6 for calling a global function with example usage: test_autocorr_multi_works() without return types