该功能位于此处:
pd.tslib.repr_timedelta64
实际上:
In [11]: pd.tslib.repr_timedelta64(np.timedelta64(180487000000000,'ns'))Out[11]: '2 days, 02:08:07'

该功能位于此处:
pd.tslib.repr_timedelta64
实际上:
In [11]: pd.tslib.repr_timedelta64(np.timedelta64(180487000000000,'ns'))Out[11]: '2 days, 02:08:07'