add parent_group to group
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@ -7,6 +7,9 @@ class Group(models.Model):
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name = models.CharField(max_length=50)
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customer = models.ForeignKey(Customer, on_delete=models.CASCADE)
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mail_address = models.EmailField(blank=True, null=True)
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parent_group = models.ForeignKey(
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"self", blank=True, null=True, on_delete=models.SET_NULL
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)
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def __str__(self):
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return self.name
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