prevent creation of empty string units
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@ -5,6 +5,7 @@ from datetime import date, timedelta
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from annoying.fields import AutoOneToOneField
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from django.contrib import auth
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from django.contrib.auth.models import User, Group
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from django.core.validators import MinLengthValidator
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from django.utils.translation import gettext as _
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from django.db import models
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from django_random_queryset import RandomManager
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@ -136,7 +137,7 @@ class Keyword(models.Model):
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class Unit(models.Model):
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name = models.CharField(unique=True, max_length=128)
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name = models.CharField(unique=True, max_length=128, validators=[MinLengthValidator(1)])
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description = models.TextField(blank=True, null=True)
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def __str__(self):
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