Update app.py

app.py

@@ -8,9 +8,9 @@ from streamlit_chat import message
 def query(payload):
     api_token = os.getenv("api_token")
     model_id = "deepset/roberta-base-squad2"
-	headers = {"Authorization": f"Bearer {api_token}"}
-	API_URL = f"https://api-inference.huggingface.co/models/{model_id}"
-	response = requests.post(API_URL, headers=headers, json=payload)
+    headers = {"Authorization": f"Bearer {api_token}"}
+    API_URL = f"https://api-inference.huggingface.co/models/{model_id}"
+    response = requests.post(API_URL, headers=headers, json=payload)
 	return response.json()
 
 message("Let's find out the best task for your use case! Tell me about your use case :)")