Move the module callbacks to plugin_tev.

models/common_settings.py

@@ -5,7 +5,7 @@
 import plugin_dbui as dbui
 
 from datetime import datetime
-from callbacks import INHIBIT_CASCADE_DELETE
+from plugin_tev import INHIBIT_CASCADE_DELETE
 from gluon.tools import PluginManager
 
 #-------------------------------------------------------------------------------

modules/plugin_tev/__init__.py

+# -*- coding: utf-8 -*-
+
+from callbacks import INHIBIT_CASCADE_DELETE
 from model_core import EvtModelCore
 from model_report import EvtModelReport
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