diff --git a/beat/web/libraries/migrations/0001_initial.py b/beat/web/libraries/migrations/0001_initial.py
index a39fa64dd9f88746b05ef5a008b12c9ade7bee4c..3df62e10fa5465760c0a4ce446bd6b8932ff285a 100644
--- a/beat/web/libraries/migrations/0001_initial.py
+++ b/beat/web/libraries/migrations/0001_initial.py
@@ -46,16 +46,16 @@ class Migration(migrations.Migration):
             name='Library',
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('sharing', models.CharField(default=b'P', max_length=1, choices=[(b'P', b'Private'), (b'S', b'Shared'), (b'A', b'Public'), (b'U', b'Usable')])),
-                ('name', models.CharField(help_text=b'The name for this object (space-like characters will be automatically replaced by dashes)', max_length=200)),
-                ('version', models.PositiveIntegerField(default=1, help_text=b'The version of this object (an integer starting from 1)')),
-                ('short_description', models.CharField(default=b'', help_text=b'Describe the object succinctly (try to keep it under 80 characters)', max_length=100, blank=True)),
-                ('creation_date', models.DateTimeField(auto_now_add=True, verbose_name=b'Creation date')),
-                ('hash', models.CharField(help_text=b'Hashed value of the object contents (<a href="https://docs.python.org/2/library/hashlib.html">SHA256, hexadecimal digest</a>). This field is auto-generated and managed by the platform.', max_length=64, editable=False)),
-                ('language', models.CharField(default=b'P', max_length=1, choices=[(b'U', b'Unknown'), (b'B', b'Binary'), (b'M', b'Matlab'), (b'P', b'Python'), (b'R', b'R')])),
-                ('declaration_file', models.FileField(db_column=b'declaration', upload_to=beat.web.common.models.get_contribution_declaration_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
-                ('description_file', models.FileField(db_column=b'description', upload_to=beat.web.common.models.get_contribution_description_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
-                ('source_code_file', models.FileField(db_column=b'source_code', upload_to=beat.web.code.models.get_contribution_source_code_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
+                ('sharing', models.CharField(default='P', max_length=1, choices=[('P', 'Private'), ('S', 'Shared'), ('A', 'Public'), ('U', 'Usable')])),
+                ('name', models.CharField(help_text='The name for this object (space-like characters will be automatically replaced by dashes)', max_length=200)),
+                ('version', models.PositiveIntegerField(default=1, help_text='The version of this object (an integer starting from 1)')),
+                ('short_description', models.CharField(default='', help_text='Describe the object succinctly (try to keep it under 80 characters)', max_length=100, blank=True)),
+                ('creation_date', models.DateTimeField(auto_now_add=True, verbose_name='Creation date')),
+                ('hash', models.CharField(help_text='Hashed value of the object contents (<a href="https://docs.python.org/2/library/hashlib.html">SHA256, hexadecimal digest</a>). This field is auto-generated and managed by the platform.', max_length=64, editable=False)),
+                ('language', models.CharField(default='P', max_length=1, choices=[('U', 'Unknown'), ('', 'Binary'), ('M', 'Matla'), ('P', 'Python'), ('R', 'R')])),
+                ('declaration_file', models.FileField(db_column='declaration', upload_to=beat.web.common.models.get_contribution_declaration_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
+                ('description_file', models.FileField(db_column='description', upload_to=beat.web.common.models.get_contribution_description_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
+                ('source_code_file', models.FileField(db_column='source_code', upload_to=beat.web.code.models.get_contribution_source_code_filename, storage=beat.web.libraries.models.LibraryStorage(), max_length=200, blank=True, null=True)),
                 ('author', models.ForeignKey(related_name='librarys', to=settings.AUTH_USER_MODEL)),
                 ('fork_of', models.ForeignKey(related_name='forks', blank=True, to='libraries.Library', null=True)),
                 ('previous_version', models.ForeignKey(related_name='next_versions', blank=True, to='libraries.Library', null=True)),