code: def test_base_array(self, axis: int):
      start = 1
      stop = 2
      num = 6
      base = array([1, 2])
      t1 = logspace(start, stop, num=num, base=base, axis=axis)
      t2 = stack(
          [
              logspace(start, stop, num=num, base=_base)
              for _base in base
          ],
          axis=(axis + 1) % t1.ndim,
      )
      assert_equal(t1, t2)
  
imports: import sys
  import pytest
  import numpy
  from numpy import logspace, linspace, geomspace, dtype, array, arange, isnan, ndarray, sqrt, nextafter, stack, errstate
  from numpy._core import sctypes
  from numpy._core.function_base import add_newdoc
  from numpy.testing import assert_, assert_equal, assert_raises, assert_array_equal, assert_allclose, IS_PYPY
label_desc: Use image node_id 3 for calling the TestLogspace obj's underlying member method code with example usage: obj.test_base_array(axis) without return types