new_contents: """
  YAML Class Instantiator
  """
  import yaml
  
  
  def import_module(module_path):
      """Import any module to the global Python environment
  
      Parameters
      ----------
      module_path: str
          Path to the module to be imported
  
  
  
      """
  
  class Instantiator():
      """
      YAML Class Instantiator for classifiers and feature selections methods.
      For now, it only works on classes with the scikit-learn interface.
  
      Parameters
      ----------
      """
  
      def __init__(self, ymlpath):
  
  
      def get_instance(self, class_name):
subject: Add instance.py skeleton