code: def test_is_real_type(rndstate):
      A = np.zeros((n, n + 1))
      assert is_real_type(A)
  
      B = np.zeros((n, n + 2), dtype=complex)
      assert not is_real_type(B)
  
file_path: pyRiemann/tests/test_utils_test.py
imports: import numpy
  import pytest
  from pyriemann.utils.test import is_square, is_sym, is_skew_sym, is_real, is_real_type, is_hermitian, is_pos_def, is_pos_semi_def, is_sym_pos_def, is_sym_pos_semi_def, is_herm_pos_def, is_herm_pos_semi_def
label_desc: Use image node_id 5 for calling a global function with example usage: test_is_real_type(rndstate) without return types