--- 
+++ 
@@ -45,7 +45,7 @@
     def add_header(self):
         self.write(GV_HEADER)
 
-    def add_table(self, name, errors, sizes, keys, indexes, columns, highlight=False):
+    def add_table(self, name, errors, sizes, keys, indexes, columns, triggers, highlight=False):
         if name in self.tables:
             return
         self.tables.append(name)

--- 
+++ 
@@ -68,9 +68,9 @@
         keys = db.get_table_keys(table)
         indexes = db.get_table_index(table)
         errors = db.get_table_errors(table)
-        gv_map.add_table(table, errors, sizes, keys, indexes, columns)
-        gv_tables[table].add_table(table, errors, sizes, keys, indexes, columns, True)
+        gv_map.add_table(table, errors, sizes, keys, indexes, columns, [])
         triggers = db.get_triggers(table)
+        gv_tables[table].add_table(table, errors, sizes, keys, indexes, columns, triggers, True)
         tables[table] = (table, errors, sizes, keys, indexes, columns, triggers)
 
     print('Adding constraints')