Update app.py

app.py

@@ -10,9 +10,9 @@ API_KEY = os.environ['HUGGINGFACEHUB_API_TOKEN']
 
 def query_api(payload):
     headers = {"Authorization": f"Bearer {API_KEY}"}
-	response = requests.post(API_URL, headers=headers, json=payload)
-	response.raise_for_status()
-	return response.content
+    response = requests.post(API_URL, headers=headers, json=payload)
+    response.raise_for_status()
+    return response.content
 
 
 def generate_image(description, format, language):