elif detector.board.any_beaglebone:
     from adafruit_blinka.microcontroller.am335x.sysfs_pwmout import PWMOut
 elif detector.board.any_rock_pi_board:
 elif detector.board.any_beaglebone:
     from adafruit_blinka.microcontroller.am335x.sysfs_pwmout import PWMOut
 elif detector.board.any_rock_pi_board: