sqlite3.ProgrammingError about monocle HOT 5 OPEN

diff --git a/monocle/notification.py b/monocle/notification.py
index 754ccf4..3a2ba95 100755
--- a/monocle/notification.py
+++ b/monocle/notification.py
@@ -720,8 +720,10 @@ class Notifier:
             seen = pokemon['seen'] % 3600
             cache_handle = self.cache.store.add(pokemon['encounter_id'])
             try:
-                with session_scope() as session:
-                    tth = await run_threaded(estimate_remaining_time, session, pokemon['spawn_id'], seen)
+                def xxx_estimate_remaining_time_with_session():
+                    with session_scope() as session:
+                        return estimate_remaining_time(session, pokemon['spawn_id'], seen)
+                tth = await run_threaded(xxx_estimate_remaining_time_with_session)
             except Exception:
                 self.log.exception('An exception occurred while trying to estimate remaining time.')
                 now_epoch = time()