diff --git a/ch05/01_main-chapter-code/tests.py b/ch05/01_main-chapter-code/tests.py
index 962f7ddd..5a7d7c6f 100644
--- a/ch05/01_main-chapter-code/tests.py
+++ b/ch05/01_main-chapter-code/tests.py
@@ -98,4 +98,4 @@ def check_model_files(base_url):
             assert valid, message
 
     check_model_files(base_url="https://openaipublic.blob.core.windows.net/gpt-2/models")
-    check_model_files(base_url="https://f001.backblazeb2.com/file/LLMs-from-scratch/gpt2")
\ No newline at end of file
+    check_model_files(base_url="https://f001.backblazeb2.com/file/LLMs-from-scratch/gpt2")