debug statements in query getter

app.py

@@ -64,6 +64,8 @@ with demo:
     # Update the URL below to switch from Sandbox to real data collection
     def _submit(state, dummy):
         query = parse_qs(dummy[1:])
+        print(dummy)
+        print(query)
         assert "assignment_id" in query, "No assignment ID provided, unable to submit"
         state["assignment_id"] = query["assignment_id"]
         url = "https://workersandbox.mturk.com/mturk/externalSubmit"