Adds migration on MediaEntry to add uuid

mediagoblin/db/migrations.py

@@ -466,7 +466,6 @@ def create_oauth1_tables(db):
 
     db.commit()
 
-
 @RegisterMigration(15, MIGRATIONS)
 def wants_notifications(db):
     """Add a wants_notifications field to User model"""

mediagoblin/db/models.py

@@ -20,6 +20,7 @@ TODO: indexes on foreignkeys, where useful.
 
 import logging
 import datetime
+import base64
 
 from sqlalchemy import Column, Integer, Unicode, UnicodeText, DateTime, \
         Boolean, ForeignKey, UniqueConstraint, PrimaryKeyConstraint, \
@@ -422,7 +423,6 @@ class MediaEntry(Base, MediaEntryMixin):
         # pass through commit=False/True in kwargs
         super(MediaEntry, self).delete(**kwargs)
 
-
 class FileKeynames(Base):
     """
     keywords for various places.