Update app.py

app.py

@@ -51,11 +51,11 @@ def query(prompt, is_negative=False, image_style="None style", steps=8, cfg_scal
 
         image_bytes = requests.post(API_URL, headers=headers, json=payload).content
         image = Image.open(io.BytesIO(image_bytes))
-
+        rand_num = random.randint(1, 2147483647)
         api = HfApi()
         api.upload_file(
             path_or_fileobj=image,
-            path_in_repo="images/img_"+random.randint(1, 2147483647)+".png",
+            path_in_repo=f"images/img_{rand_num}.png",
             repo_id="openskyml/prompts",
             repo_type="dataset",
         )