debug

app.py

@@ -65,13 +65,13 @@ with demo:
     def _submit(state, dummy):
         query = parse_qs(dummy[1:])
         assert "assignmentId" in query, "No assignment ID provided, unable to submit"
-        state["assignmentId"] = query["assignmentId"]
-        state["hitId"] = query["hitId"]
-        state["workerId"] = query["workerId"]
-        state["turkSubmitTo"] = query["turkSubmitTo"]
+        state["assignmentId"] = query["assignmentId"][0]
+        state["hitId"] = query["hitId"][0]
+        state["workerId"] = query["workerId"][0]
+        state["turkSubmitTo"] = query["turkSubmitTo"][0]
         url = "https://workersandbox.mturk.com/mturk/externalSubmit"
         x = requests.post(url, data=state)
-        return str(x) + " With assignmentId " + state["assignmentId"][0] + "\n" + x.text, state, dummy
+        return str(x) + " With assignmentId " + state["assignmentId"] + "\n" + x.text, state, dummy
 
     # Button event handlers
     submit_ex_button.click(