code: def test_infeasible_m_eq_n():
      m, n = 10, 10
      A0 = np.random.rand(m, n)
      b0 = np.random.rand(m)
      A0[-1, :] = 2 * A0[-2, :]
      A1, b1, status, message = _remove_redundancy(A0, b0)
      assert_equal(status, 2)
  
imports: from __future__ import division, print_function, absolute_import
  import numpy
  from numpy.testing import assert_, assert_allclose, assert_equal
  from .test_linprog import magic_square
  from scipy.optimize._remove_redundancy import _remove_redundancy
label_desc: Use image node_id 7 for calling a global function with example usage: test_infeasible_m_eq_n() without return types