blank is not null

campaign/campaign/models.py

@@ -31,6 +31,7 @@ class Argumentary(models.Model):
     id = models.AutoField(primary_key=True)
     campaign_id = models.ForeignKey(Campaign)
     lang = models.CharField(max_length=255)
+    text = models.TextField(null=True)
 
 
 class CampaignContact(models.Model):

campaign/organization/models.py

@@ -7,7 +7,7 @@ class Organization(models.Model):
     id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=64)
     sip_key = models.CharField(max_length=255)
-    users = models.ForeignKey(User, blank=True)
+    users = models.ForeignKey(User, null=True, blank=True)
 
     def __unicode__(self):
         return self.name
@@ -20,7 +20,7 @@ class Group(models.Model):
     name = models.CharField(max_length=64)
     type = models.CharField(max_length=255, blank=True)
     media = models.CharField(max_length=255, blank=True)
-    contacts = models.ManyToManyField(Contact)
+    contacts = models.ManyToManyField(Contact, null=True, blank=True)
 
     def __unicode__(self):
         return self.name