I read the django docs about signals and wrote this piece of code for my model Car :
django docs
signals
Car
@receiver(request_finished) def s
You binded request_finished signal to signal_callback. Remove(or comment out) signal_callback, and change signal_handler as follow.
request_finished
signal_callback
signal_handler
@receiver(post_save, sender=Car) def signal_handler(sender, **kwargs): print 'Save signal received'