code: def load_drops(self, dropin):
          obj = load_object(dropin)
          try:
              drops = getattr(obj, self.drops_type)
          except AttributeError:
              try:
                  drops = load_object('%s.%s' % (dropin, self.drops_type))
              except ImportError:
                  drops = None
          if hasattr(drops, '__drops__'):
              drops = drops.__drops__
          if callable(drops):
              drops = drops(self.app)
          return drops or []