smell: switch assert for raise ValueError

2018-08-11 07:36:00 +02:00
parent c5aeab37b7
commit 1d370a8c23
1 changed files with 2 additions and 1 deletions
--- a/bonobo/contrib/django/commands.py
+++ b/bonobo/contrib/django/commands.py
@ -59,7 +59,8 @@ class ETLCommand(BaseCommand):
                graph_coll = (graph_coll,)

            for i, graph in enumerate(graph_coll):
-                assert isinstance(graph, bonobo.Graph), 'Invalid graph provided.'
+                if not isinstance(graph, bonobo.Graph):
+                    raise ValueError('Expected a Graph instance, got {!r}.'.format(graph))
                print(term.lightwhite('{}. {}'.format(i + 1, graph.name)))
                result = bonobo.run(graph, services=services, strategy=strategy)
                results.append(result)