use existing msg
@ -183,9 +183,7 @@ def migrate_carParams(lr, old_logtime=False):
all_msgs = []
for msg in lr:
if msg.which() == 'carParams':
CP = messaging.new_message('carParams')
CP.valid = True
CP.carParams = msg.carParams.as_builder()
CP = msg.as_builder()
CP.carParams.carFingerprint = MIGRATION.get(CP.carParams.carFingerprint, CP.carParams.carFingerprint)
for car_fw in CP.carParams.carFw:
car_fw.brand = CP.carParams.carName