def get_backoff_time(self):
if self._observed_errors <= <NUM_LIT:1>:<EOL><INDENT>return <NUM_LIT:0><EOL><DEDENT>backoff_value = self.backoff_factor * (<NUM_LIT:2> ** (self._observed_errors - <NUM_LIT:1>))<EOL>return min(self.BACKOFF_MAX, backoff_value)<EOL>
Formula for computing the current backoff

        :rtype: float