code: def __init__(self, val: str) -> None:
      self.field = val
  
file_path: Ax/ax/utils/common/tests/test_testutils.py
imports: import io
  import sys
  from ax.utils.common.base import Base
  from ax.utils.common.testutils import TestCase
label_desc: Use image node_id 1 to create a new MyBase object from inherited base classes: Base with example: obj = MyBase(val)