get attribute

def GetProp(self, prop):
        """
		get attribute
		"""

        if prop == 'scores':
            return [x[1] for x in self.scores.items()]
        elif prop:
            if prop == 'id':
                return self.id
            elif prop == 'status':
                return self.status
            elif prop == 'bm':
                return self.bm
            elif prop == 'graph':
                return self.graph
            elif prop in self.scores.keys():
                return self.scores[prop]
            elif prop in self.properties.keys():
                return self.properties[prop]
            else:
                return None