code: def setup_method(self):
      self.solver = "arpack"
  
imports: import os
  import re
  import copy
  import numpy
  from numpy.testing import assert_allclose, assert_equal, assert_array_equal
  import pytest
  from scipy.linalg import svd, null_space
  from scipy.sparse import csc_matrix, issparse, spdiags, random
  from scipy.sparse.linalg import LinearOperator, aslinearoperator
  from scipy.sparse.linalg import svds
  from scipy.sparse.linalg._eigen.arpack import ArpackNoConvergence
label_desc: Use image node_id 1 for calling the Test_SVDS_ARPACK obj's underlying member method code with example usage: obj.setup_method() without return types