Update app.py

app.py

@@ -9,7 +9,8 @@ os.getenv('HF_API')
 hub_llm = HuggingFaceHub(repo_id='facebook/blenderbot-400M-distill')
 
 prompt = prompt_templates(
-    input_variable = ["question"]
+    input_variable = ["question"],
+    template = "Answer is: {question}"
 )
 
 hub_chain = LLMChain(prompt=prompt, llm=hub_llm, verbose=True)