code: def test_corner(self):
      y = list(linspace(0, 1, 1))
      assert_(y == [0.0], y)
      assert_raises(TypeError, linspace, 0, 1, num=2.5)
  
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 2 for calling the TestLinspace obj's underlying member method code with example usage: obj.test_corner() without return types