Method __call__

lib/matplotlib/dates.py:587–589

(self, x, pos=0)

        self._usetex = mpl._val_or_rc(usetex, 'text.usetex')

    def __call__(self, x, pos=0):
        result = num2date(x, self.tz).strftime(self.fmt)
        return _wrap_in_tex(result) if self._usetex else result

    def set_tzinfo(self, tz):
        self.tz = _get_tzinfo(tz)