code: def __init__(self, a=1):
      self.a = a
  
file_path: nilearn/nilearn/_utils/tests/test_class_inspect.py
imports: from sklearn.base import BaseEstimator
  from nilearn._utils import class_inspect
label_desc: Use image node_id 1 to create a new A object from inherited base classes: BaseEstimator with example: obj = A(a)