Admin interface is calling a custom method on my model?

I have a model with a custom method like so:

class MyModel(models.Model):
    some_counter_field = models.IntegerField(blank=True, default=0)

    def my_custom_method(self):
        if (self.some_counter_field < 5):
            self.some_counter_field += 1
            self.save()
            return True
        else:
            return False

The only place this method is called is in one of my templates.

I was using the Django Admin interface to facilitate testing this, so I could easily reset some_counter_field back to 0. However, I noticed that just by viewing an instance of this model in the admin interface was causing some_counter_field to be incremented until it hit 5. What is also strange is that this only happens in production, I was not able to reproduce this with my local runserver, even when I had DEBUG=False like production has.

Any ideas as to what might be going on here?

Thanks!
Greg

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