def __str__(self): return "{0} elapsed".format(pretty_time(self.delta_t))
def __repr__(self): return "<qinfer.Timer at 0x{0:x}, {1} elapsed>".format( id(self), pretty_time(self.delta_t))
def __repr__(self): return "<qinfer.Timer at 0x{0:x}, {1} elapsed>".format(id(self), pretty_time(self.delta_t))