update model_report to explicit foreign key id_renderers (web2py 2.18.3)

modules/model_report.py

@@ -3,7 +3,7 @@
 
 """
 from callbacks import INHIBIT_CASCADE_DELETE
-from gluon.validators import IS_IN_SET
+from gluon.validators import IS_IN_DB, IS_IN_SET
 
 from plugin_dbui import (CLEAN_SPACES,
                          INHIBIT_DELETE_UNDEF,
@@ -332,5 +332,6 @@ class Report(object):
             migrate="sections.table")
 
         table.section.filter_in = CLEAN_SPACES
+        table.id_renderers.requires = IS_IN_DB(db, "renderers.renderer")
 
         return table