--- a/OSSEval/analysis/migrations/0001_initial.py
+++ b/OSSEval/analysis/migrations/0001_initial.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-import datetime
+from south.utils import datetime_utils as datetime
 from south.db import db
 from south.v2 import SchemaMigration
 from django.db import models
@@ -19,6 +19,7 @@
             ('user_login', self.gf('django.db.models.fields.CharField')(max_length=50)),
             ('visible', self.gf('django.db.models.fields.BooleanField')(default=True)),
             ('weight_scenario', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['methodology.WeightScenario'])),
+            ('protected', self.gf('django.db.models.fields.BooleanField')(default=False)),
         ))
         db.send_create_signal(u'analysis', ['Analysis'])
 
@@ -62,6 +63,7 @@
             u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
             'methodology_version': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['methodology.MethodologyVersion']"}),
             'name': ('django.db.models.fields.CharField', [], {'max_length': '200'}),
+            'protected': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
             'user_login': ('django.db.models.fields.CharField', [], {'max_length': '50'}),
             'visible': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
             'weight_scenario': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['methodology.WeightScenario']"})