fixes a field in representatives model

representatives/migrations/0015_auto_20150603_1216.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('representatives', '0014_merge'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='address',
+            name='representative',
+            field=models.ForeignKey(to='representatives.Representative'),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='email',
+            name='representative',
+            field=models.ForeignKey(to='representatives.Representative'),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='mandate',
+            name='group',
+            field=models.ForeignKey(to='representatives.Group', null=True),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='mandate',
+            name='representative',
+            field=models.ForeignKey(related_name='mandates', to='representatives.Representative'),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='phone',
+            name='representative',
+            field=models.ForeignKey(to='representatives.Representative'),
+            preserve_default=True,
+        ),
+        migrations.AlterField(
+            model_name='website',
+            name='representative',
+            field=models.ForeignKey(to='representatives.Representative'),
+            preserve_default=True,
+        ),
+    ]

representatives/migrations/0016_auto_20150603_1702.py

+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('representatives', '0015_auto_20150603_1216'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='representative',
+            name='remote_id',
+            field=models.CharField(max_length=255, unique=True, null=True, blank=True),
+            preserve_default=True,
+        ),
+    ]

representatives/models.py

@@ -39,7 +39,7 @@ class Representative(models.Model):
     )
 
     slug = models.SlugField(max_length=100)
-    remote_id = models.CharField(max_length=255, blank=True, null=True)
+    remote_id = models.CharField(max_length=255, blank=True, null=True, unique=True)
     first_name = models.CharField(max_length=255, blank=True, null=True)
     last_name = models.CharField(max_length=255, blank=True, null=True)
     full_name = models.CharField(max_length=255)