def _add_delta_tdi(self, other):
assert isinstance(self.freq, Tick)  <EOL>delta = self._check_timedeltalike_freq_compat(other)<EOL>return self._addsub_int_array(delta, operator.add).asi8<EOL>
Parameters
----------
other : TimedeltaArray or ndarray[timedelta64]

Returns
-------
result : ndarray[int64]