def rlgt(self, time=None, times=1,
             disallow_sibling_lgts=False):
        """ Uses class LGT to perform random lateral gene transfer on
        ultrametric tree """

        lgt = LGT(self.copy())
        for _ in range(times):
            lgt.rlgt(time, disallow_sibling_lgts)
        return lgt.tree
def rlgt ( self , time = None , times = 1 , disallow_sibling_lgts = False ) : lgt = LGT ( self . copy ( ) ) for _ in range ( times ) : lgt . rlgt ( time , disallow_sibling_lgts ) return lgt . tree
Uses class LGT to perform random lateral gene transfer on
        ultrametric tree