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from django.db import models
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class A1(models.Model):
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pass
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class A2(models.Model):
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pass
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class A3(models.Model):
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b2 = models.ForeignKey('lookuperror_b.B2', models.CASCADE)
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c2 = models.ForeignKey('lookuperror_c.C2', models.CASCADE)
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class A4(models.Model):
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pass
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