code: def setUp(self) -> None:
      pass
  
file_path: Ax/ax/models/tests/test_discrete.py
imports: import numpy
  from ax.models.discrete_base import DiscreteModel
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 1 for calling the DiscreteModelTest obj's underlying member method code with example usage: obj.setUp() without return types