more sqlalchemy warnings

couchpotato/core/notifications/history/main.py

@@ -1,4 +1,5 @@
 from couchpotato import get_session
+from couchpotato.core.helpers.encoding import toUnicode
 from couchpotato.core.logger import CPLog
 from couchpotato.core.notifications.base import Notification
 from couchpotato.core.settings.model import History as Hist
@@ -16,7 +17,7 @@ class History(Notification):
         db = get_session()
         history = Hist(
             added = int(time.time()),
-            message = message,
+            message = toUnicode(message),
             release_id = data.get('id', 0)
         )
         db.add(history)