code: def get_A(cls):
      return cls.str2matrix(
          """
           .830 -.396
           .818 -.469
           .777 -.470
           .798 -.401
           .786  .500
           .672  .458
           .594  .444
           .647  .333
          """
      )
  
imports: import unittest
  import numpy
  from statsmodels.multivariate.factor_rotation._wrappers import rotate_factors
  from statsmodels.multivariate.factor_rotation._gpa_rotation import ff_partial_target, vgQ_partial_target, ff_target, vgQ_target, CF_objective, orthomax_objective, oblimin_objective, GPA
  from statsmodels.multivariate.factor_rotation._analytic_rotation import target_rotation
label_desc: Use image node_id 2 for calling the TestGPARotation obj's underlying member method code with example usage: obj.get_A(cls) and returns: cls