old_contents: import importlib
  import logging
  from volttron.platform.agent import utils
  
  _log = logging.getLogger(__name__)
  utils.setup_logging()
  __version__ = "0.1"
  
  __all__ = ['Model']
  
  
  class Model(object):
      def __init__(self, config, **kwargs):
          base_module = "volttron.pnnl.models."
          try:
              model_type = config["model_type"]
          except KeyError as e:
              _log.exception("Missing Model Type key: {}".format(e))
              raise e
          _file, model_type = model_type.split(".")
          module = importlib.import_module(base_module + _file)
          model_class = getattr(module, model_type)
          self.model = model_class(config, self)
  
      def get_q(self, _set, sched_index, market_index, occupied):
          q = self.model.predict(_set, sched_index, market_index, occupied)
  
new_contents: import importlib
  import logging
  from volttron.platform.agent import utils
  
  _log = logging.getLogger(__name__)
  utils.setup_logging()
  __version__ = "0.1"
  
  __all__ = ['Model']
  
  
  class Model(object):
      def __init__(self, config, **kwargs):
          base_module = "volttron.pnnl.models."
          try:
              model_type = config["model_type"]
          except KeyError as e:
              _log.exception("Missing Model Type key: {}".format(e))
              raise e
          _file, model_type = model_type.split(".")
          module = importlib.import_module(base_module + _file)
          model_class = getattr(module, model_type)
          self.model = model_class(config, self)
  
      def get_q(self, _set, sched_index, market_index, occupied):
          q = self.model.predict(_set, sched_index, market_index, occupied)
          return q
  
subject: Add return statement to Model.get_q