<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def has_reset(self):
 """Checks the grizzly to see if it reset itself because of voltage sag or other reasons. Useful to reinitialize acceleration or current limiting."""

        currentTime = self._read_as_int(Addr.Uptime, 4)
        if currentTime <= self._ticks:
            self._ticks = currentTime
            return True
        self._ticks = currentTime
        return False