code: def target_power(self):
          
          ret = api.py_aa_target_power(self.handle, TARGET_POWER_QUERY)
          _raise_error_if_negative(ret)
          return ret
docs: Setting this to `True` will activate the power pins (4 and 6). If
          set to `False` the power will be deactivated.
  
          Raises an :exc:`IOError` if the hardware adapter does not support
          the switchable power pins.