old_contents: """
  Concrete query strategy classes.
  """
  
  from .active_learning_by_learning import ActiveLearningByLearning
  from .uncertainty_sampling import UncertaintySampling
  from .query_by_committee import QueryByCommittee
  from .quire import QUIRE
  
new_contents: """
  Concrete query strategy classes.
  """
  
  from .active_learning_by_learning import ActiveLearningByLearning
  from .uncertainty_sampling import UncertaintySampling
  from .query_by_committee import QueryByCommittee
  from .quire import QUIRE
  from .hintsvm import HintSVM
  
subject: add HintSVM to __init__