code: def spaces(request):
      n, p = request.param
      request.cls.space = Stiefel(n=n, p=p, equip=False)
  
file_path: geomstats/tests/tests_geomstats/test_geometry/test_stiefel.py
imports: import random
  import pytest
  from geomstats.geometry.stiefel import Stiefel, StiefelCanonicalMetric
  from geomstats.test.parametrizers import DataBasedParametrizer, Parametrizer
  from geomstats.test_cases.geometry.stiefel import StiefelCanonicalMetricTestCase, StiefelStaticMethodsTestCase, StiefelTestCase
  from .data.stiefel import StiefelCanonicalMetricSquareTestData, StiefelCanonicalMetricTestData, StiefelStaticMethodsTestData, StiefelTestData
label_desc: Use image node_id 2 for calling a global function with example usage: spaces(request) without return types