Update model_selector to fix a default values for the graph parameter kind.

modules/plugin_event/model_selector.py

@@ -8,6 +8,10 @@ from model_report import DEF_GRAPH, DEF_SUMMARY
 from pydal import Field
 
 
+DEF_GRAPH_SEL = DEF_GRAPH.copy()
+DEF_GRAPH_SEL["kind"] = "bar"
+
+
 class Selector(object):
     """Create virtual tables used to generate selector interfaces.
 
@@ -77,7 +81,7 @@ class Selector(object):
             Field("summary_y", "json", default=DEF_SUMMARY),
 
             Field("is_graph", "boolean"),
-            Field("graph", "json", default=DEF_GRAPH))
+            Field("graph", "json", default=DEF_GRAPH_SEL))
 
         table.id_domains.requires = IS_IN_DB(db, "domains.domain")
         table.id_fundings.requires = IS_IN_DB(db, "fundings.agency")