Fix bug from Jobs refactor

bin/database.py

@@ -360,7 +360,7 @@ def upgrade_to_12():
                         files.append(file_)
 
                 q = {'analyses._id': analysis['_id']}
-                u = {'$set': {'analyses.$.job': job._id, 'analyses.$.files': files}}
+                u = {'$set': {'analyses.$.job': job.id_, 'analyses.$.files': files}}
                 config.db.sessions.update_one(q, u)