def Reboot(self, target_mode=b'', timeout_ms=None):
        """Reboots the device.

        Args:
            target_mode: Normal reboot when unspecified. Can specify other target
                modes such as 'recovery' or 'bootloader'.
            timeout_ms: Optional timeout in milliseconds to wait for a response.

        Returns:
            Usually the empty string. Depends on the bootloader and the target_mode.
        """
        return self._SimpleCommand(
            b'reboot', arg=target_mode or None, timeout_ms=timeout_ms)
Reboots the device.

        Args:
            target_mode: Normal reboot when unspecified. Can specify other target
                modes such as 'recovery' or 'bootloader'.
            timeout_ms: Optional timeout in milliseconds to wait for a response.

        Returns:
            Usually the empty string. Depends on the bootloader and the target_mode.
        
adb/fastboot.py