Update callbacks to fix a bug in ON_CREATE_LISTS2.

modules/plugin_event/callbacks.py

@@ -9,7 +9,6 @@ import json
 from dataframes import to_extjs_gridcolumns
 from event import Event
 from gluon import current
-from gluon.tools import PluginManager
 from plugin_dbui import CALLBACK_ERRORS, get_where_query
 
 
@@ -91,7 +90,7 @@ def ON_CREATE_LISTS2(values):
         year_start=year,
         year_end=year)
 
-    func = Event.get_source(values["source"]).func
+    func = Event.get_source(values["source"])
 
     df = func(**criteria)