code: def spaces(request):
      m, n = request.param
      request.cls.space = Matrices(m=m, n=n, equip=False)
  
imports: import random
  import pytest
  import geomstats.backend
  from geomstats.geometry.general_linear import SquareMatrices
  from geomstats.geometry.lower_triangular_matrices import LowerTriangularMatrices
  from geomstats.geometry.matrices import Matrices, MatricesMetric
  from geomstats.geometry.skew_symmetric_matrices import SkewSymmetricMatrices
  from geomstats.geometry.spd_matrices import SPDMatrices
  from geomstats.geometry.symmetric_matrices import SymmetricMatrices
  from geomstats.test.parametrizers import DataBasedParametrizer
  from geomstats.test_cases.geometry.matrices import MatricesMetricTestCase, MatricesTestCase, MatrixOperationsTestCase
  from .data.matrices import MatricesMetric22TestData, MatricesMetricTestData, MatricesTestData, MatrixOperationsSmokeTestData, MatrixOperationsTestData
label_desc: Use image node_id 1 for calling a global function with example usage: spaces(request) without return types