code: def test_physical_quantities(self):
      a = PhysicalQuantity(1.0)
      b = PhysicalQuantity(5.0)
      assert_equal(geomspace(a, b), geomspace(1.0, 5.0))
  
imports: import pytest
  from numpy import logspace, linspace, geomspace, dtype, array, sctypes, arange, isnan, ndarray, sqrt, nextafter, stack, errstate
  from numpy.testing import assert_, assert_equal, assert_raises, assert_array_equal, assert_allclose
label_desc: Use image node_id 8 for calling the TestGeomspace obj's underlying member method code with example usage: obj.test_physical_quantities() without return types