code: def square_matrices_spaces(request):
      request.cls.space = SquareMatrices(n=request.param, equip=False)
  
imports: import random
  import pytest
  from geomstats.geometry.general_linear import GeneralLinear, SquareMatrices
  from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test_cases.geometry.general_linear import GeneralLinearTestCase
  from geomstats.test_cases.geometry.lie_algebra import MatrixLieAlgebraTestCase
  from geomstats.test_cases.geometry.matrices import MatricesMetricTestCase
  from .data.general_linear import GeneralLinear2TestData, GeneralLinear3TestData, GeneralLinearMatricesMetricTestData, GeneralLinearTestData, SquareMatrices3TestData
  from .data.lie_algebra import MatrixLieAlgebraTestData
  from .data.matrices import MatricesMetricTestData
label_desc: Use image node_id 3 for calling a global function with example usage: square_matrices_spaces(request) without return types