diff --git a/docbow_project/docbow/migrations/0001_initial.py b/docbow_project/docbow/migrations/0001_initial.py
index a2c1b9a..d8f9117 100644
--- a/docbow_project/docbow/migrations/0001_initial.py
+++ b/docbow_project/docbow/migrations/0001_initial.py
@@ -94,7 +94,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('is_guest', models.BooleanField(default=False, verbose_name='Guest user')),
-                ('mobile_phone', models.CharField(blank=True, max_length=32, verbose_name='Mobile phone', validators=[django.core.validators.RegexValidator(b'^\\+\\d+$')])),
+                ('mobile_phone', models.CharField(blank=True, max_length=32, verbose_name='Mobile phone', validators=[django.core.validators.RegexValidator('^\\+\\d+$')])),
                 ('personal_email', models.EmailField(help_text='if you provide a personal email address, notifications of new documents will also be sent to this address.', max_length=75, verbose_name='personal email address', blank=True)),
                 ('accept_notifications', models.BooleanField(default=True, help_text='If unchecked you will not received notifications anymore, by email or SMS.', verbose_name='Accept to be notified')),
                 ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
@@ -114,6 +114,7 @@ class Migration(migrations.Migration):
                 ('private', models.BooleanField(default=False, help_text='delegates cannot see this document', verbose_name='Private')),
             ],
             options={
+                'base_manager_name': 'objects',
                 'ordering': ['-date'],
                 'verbose_name': 'Document',
                 'verbose_name_plural': 'Documents',
@@ -153,7 +154,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('name', models.CharField(max_length=128, verbose_name='name')),
-                ('mime_types', models.TextField(help_text=b'mime types separated by spaces, wildcards are allowed', verbose_name='mime types', blank=True)),
+                ('mime_types', models.TextField(help_text='mime types separated by spaces, wildcards are allowed', verbose_name='mime types', blank=True)),
                 ('cardinality', models.PositiveSmallIntegerField(default=0, help_text='zero is a special value setting no limitation', verbose_name='cardinality')),
                 ('minimum', models.PositiveSmallIntegerField(default=0, verbose_name='minimum number of files')),
                 ('position', models.PositiveSmallIntegerField(verbose_name='position')),
@@ -172,7 +173,7 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('outbox', models.BooleanField(default=False, db_index=True, verbose_name='Outbox message')),
                 ('date', models.DateTimeField(auto_now_add=True)),
-                ('document', models.ForeignKey(related_name='mailboxes', verbose_name=b'Document', to='docbow.Document', on_delete=models.CASCADE)),
+                ('document', models.ForeignKey(related_name='mailboxes', verbose_name='Document', to='docbow.Document', on_delete=models.CASCADE)),
                 ('owner', models.ForeignKey(related_name='documents', verbose_name='Mailbox owner', to=settings.AUTH_USER_MODEL, on_delete=models.CASCADE)),
             ],
             options={
@@ -203,7 +204,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('create_dt', models.DateTimeField(auto_now_add=True)),
-                ('kind', models.CharField(default=b'new-document', max_length=32)),
+                ('kind', models.CharField(default='new-document', max_length=32)),
                 ('done', models.BooleanField(default=False)),
                 ('failure', models.TextField(null=True, blank=True)),
                 ('ctx', picklefield.fields.PickledObjectField(null=True, editable=False, blank=True)),