style(steami_config): remove unnecessary blank lines in device.py

Author: Charly-sketch

lib/steami_config/steami_config/device.py

@@ -12,7 +12,6 @@
 # Reverse map: short key -> sensor name.
 _KEY_SENSORS = {v: k for k, v in _SENSOR_KEYS.items()}
 
-
 class SteamiConfig(object):
     """Persistent configuration stored in the DAPLink F103 config zone.
 
@@ -224,7 +223,6 @@ def set_accelerometer_calibration(self, ox=0.0, oy=0.0, oz=0.0):
             "oz": float(oz),
         }
 
-
     def get_accelerometer_calibration(self):
         """Return accelerometer calibration offsets.