# -*- coding: utf-8 -*-
from __future__ import division
from relativity import constants


class TimeDilation(object):
    @staticmethod
    def get_proper_time():
        # todo            

# -*- coding: utf-8 -*-
from __future__ import division
from relativity import constants


class TimeDilation(object):
    @staticmethod
    def get_proper_time():
        # todo            

# -*- coding: utf-8 -*- # todo