code: def __init__(self, *args, **kwargs):
      TestSolver.__init__(self, *args, dtype="float64", **kwargs)
  
imports: import unittest
  import numpy
  from scipy import sparse
  from tick.prox import ProxElasticNet
  from tick.solver import SAGA
  from tick.solver.tests import TestSolver
  from tick.solver.build.solver import SAGADouble
  from tick.linear_model import ModelLogReg, SimuLogReg
  from tick.survival import SimuCoxReg, ModelCoxRegPartialLik
  from tick.simulation import weights_sparse_gauss
label_desc: Use image node_id 1 to create a new SAGATestFloat64 object from inherited base classes: TestSolver, SAGATest with example: obj = SAGATestFloat64()