diff --git a/api/tests/test_diffusers/test_utils.py b/api/tests/test_diffusers/test_utils.py
index b723beee..5377f24c 100644
--- a/api/tests/test_diffusers/test_utils.py
+++ b/api/tests/test_diffusers/test_utils.py
@@ -3,16 +3,17 @@ import unittest
 import numpy as np
 
 from onnx_web.diffusers.utils import (
-  expand_interval_ranges,
-  expand_alternative_ranges,
-  get_inversions_from_prompt,
-  get_latents_from_seed,
-  get_loras_from_prompt,
-  get_scaled_latents,
-  get_tokens_from_prompt,
+    expand_alternative_ranges,
+    expand_interval_ranges,
+    get_inversions_from_prompt,
+    get_latents_from_seed,
+    get_loras_from_prompt,
+    get_scaled_latents,
+    get_tokens_from_prompt,
 )
 from onnx_web.params import Size
 
+
 class TestExpandIntervalRanges(unittest.TestCase):
   def test_prompt_with_no_ranges(self):
     prompt = "an astronaut eating a hamburger"