Fix double workflow DB fetch

joeflow/views.py

@@ -58,9 +58,7 @@ def get_task(self):
 
     def next_task(self):
         task = self.get_task()
-        task.workflow = self.model._base_manager.get(
-            pk=self.model._base_manager.get(pk=self.object.pk)
-        )
+        task.workflow = self.model._base_manager.get(pk=self.object.pk)
         task.finish(self.request.user)
         task.start_next_tasks()
 

tests/tasks/test_human.py

@@ -0,0 +1,17 @@
+import pytest
+
+from tests.testapp import workflows
+
+
+class TestStartView:
+    def test_get(self, client):
+        response = client.get("/simple/start_view/custom/postfix/")
+        assert response.status_code == 200
+
+    @pytest.mark.django_db
+    def test_post(self, client):
+        assert not workflows.SimpleWorkflow.objects.exists()
+        response = client.post("/simple/start_view/custom/postfix/")
+        assert response.status_code == 302
+        assert response["Location"] == "/simple/1/"
+        assert workflows.SimpleWorkflow.objects.exists()