code: def test_column(keys, mapper):
      idx = numpy.zeros((len(keys), 4), dtype="int")
      idx[:, 3] = keys
      remap_v2 = remap_ids_v2(mapper, column=3)
      premap = premap_ids(mapper, column=3)
      numpy.testing.assert_equal(
          remap_v2(idx, False)[0].squeeze(),
          numpy.asarray(range(len(keys))),
      )
      numpy.testing.assert_equal(
          premap(idx, False)[0].squeeze(),
          numpy.asarray(range(len(keys))),
      )
  
file_path: thinc/thinc/tests/layers/test_mappers.py
imports: import numpy
  import pytest
  from thinc.layers import premap_ids, remap_ids, remap_ids_v2
label_desc: Use image node_id 7 for calling a global function with example usage: test_column(keys, mapper) without return types