old_contents: import numpy as np
  import eigen as e
  
  import pytest
  
  
  def test_vector_conversion():
      np_vector = np.random.randn(3).astype(np.float32)
      c_vector = e.vectorXf(np_vector)
      assert np.all(np.array(c_vector) == np_vector)
  
  
  def test_matrix_conversion():
      np_matrix = np.random.randn(3, 3).astype(np.float32)
      assert(np_matrix.ndim == 2)
      c_matrix = e.matrixXf(np_matrix)
      assert np.all(np.array(c_matrix) == np_matrix)
  
  
  def test_wrong_dims():
      np_matrix = np.random.randn(3, 3, 3).astype(np.float32)
      assert(np_matrix.ndim == 3)
      # c_matrix only supports ndim == 2
      with pytest.raises(ValueError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
  
  def test_wrong_type():
      np_matrix = np.random.randn(3, 3, 3).astype(np.float64)
      # c_matrix requies type np.float32
      with pytest.raises(ValueError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
  
  def test_none_type():
      np_matrix = None
      with pytest.raises(TypeError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
new_contents: import numpy as np
  import eigen as e
  
  import pytest
  
  
  def test_vector_conversion():
      np_vector = np.random.randn(3).astype(np.float32)
      c_vector = e.vectorXf(np_vector)
      assert np.all(np.array(c_vector) == np_vector)
  
  
  def test_matrix_conversion():
      np_matrix = np.random.randn(3, 3).astype(np.float32)
      assert(np_matrix.ndim == 2)
      c_matrix = e.matrixXf(np_matrix)
      assert np.all(np.array(c_matrix) == np_matrix)
  
  
  def test_wrong_dims():
      np_matrix = np.random.randn(3, 3, 3).astype(np.float32)
      assert(np_matrix.ndim == 3)
      # c_matrix only supports ndim == 2
      with pytest.raises(ValueError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
  
  def test_wrong_type():
      np_matrix = np.random.randn(3, 3).astype(np.float64)
      # c_matrix requies type np.float32
      with pytest.raises(ValueError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
  
  def test_none_type():
      np_matrix = None
      with pytest.raises(TypeError):
          # Check whether a Value Error is raised
          e.matrixXf(np_matrix)
  
subject: Fix wrong type test