Maybe now?

app.py

@@ -7,9 +7,9 @@ def random_response(message, history):
     return random.choice(["Yes", "No"])
 
 def eqa(message, history):
-    if len(history) >= 1 and history[-1]['content'] == 'Okay':
-        pipe = pipeline("question-answering", model="mbwolff/distilbert-base-uncased-finetuned-squad")
-        return pipe(message)
+    if len(history) >= 1 and history[-1]['role'] == 'assistant' and history[-1]['content'] == 'Okay':
+        pipe = pipeline(model="mbwolff/distilbert-base-uncased-finetuned-squad")
+        return pipe(question=message, context=history[-2]['content'])['answer']
     else:
         return 'Okay'