old_contents: from .model import Model
  
new_contents: from . import config
  from . import distributions
  from .model import Model
  from .scalar import Scalar
  from . import utilities
  
  __all__ = [
      config,
      Model,
      Scalar,
      utilities
  ]
  
  __all__.extend(distributions.__all__)
  
subject: Update __init__ to account for the new changes