Fixing trailing whitespaces

src/app.py

@@ -193,11 +193,9 @@ def run():
     """Run app."""
     device = os.getenv('DEVICE', 'Nexus 5')
     logger.info('Device: {device}'.format(device=device))
-    
     device_id = os.getenv('DEVICE_ID', str(uuid.uuid4()))
     logger.info('Device Id: {device_id}'.format(device_id=device_id))
 
-
     avd_name = '{device}_{version}'.format(device=device.replace(' ', '_').lower(), version=ANDROID_VERSION)
     logger.info('AVD name: {avd}'.format(avd=avd_name))
     is_first_run = not is_initialized()