Update app.py

app.py

@@ -26,7 +26,7 @@ class QuestionValidation:
         self.client = InferenceClient(model="HuggingFaceH4/zephyr-7b-beta", token=HF_TOKEN)
 
         self.llm2_model = "HuggingFaceH4/zephyr-7b-beta"
-        self.embedding_model = SentenceTransformer("sentence-transformers/all-mpnet-base-v2")
+        self.embedding_model = SentenceTransformer("sentence-transformers/all-MiniLM-L6-v2")
 
     def guess_question(self, answer: str) -> str:
         prompt = f"This was the answer: {answer}\nWhat question would likely have led to it?"