def set_application(self, app):
    self.application = self.ApplicationDef(app)
    self.base_model_dir += ('_' + app)
    self.model_save_dir += ('_' + app)
def set_application(self, app):
    self.application = self.ApplicationDef(app)
    self.base_model_dir += ('_' + app)
    self.model_save_dir += ('_' + app)