diff --git a/packages/jupyter-ai-module-cookiecutter/{{cookiecutter.labextension_name}}/ui-tests/jupyter_server_test_config.py b/packages/jupyter-ai-module-cookiecutter/{{cookiecutter.labextension_name}}/ui-tests/jupyter_server_test_config.py
index 23d06f6dd..163be38fc 100644
--- a/packages/jupyter-ai-module-cookiecutter/{{cookiecutter.labextension_name}}/ui-tests/jupyter_server_test_config.py
+++ b/packages/jupyter-ai-module-cookiecutter/{{cookiecutter.labextension_name}}/ui-tests/jupyter_server_test_config.py
@@ -4,6 +4,7 @@
 opens the server to the world and provide access to JupyterLab
 JavaScript objects through the global window variable.
 """
+
 from tempfile import mkdtemp
 
 c.ServerApp.port = 8888
diff --git a/packages/jupyter-ai/ui-tests/jupyter_server_test_config.py b/packages/jupyter-ai/ui-tests/jupyter_server_test_config.py
index f2a94782a..4b3f4dbe7 100644
--- a/packages/jupyter-ai/ui-tests/jupyter_server_test_config.py
+++ b/packages/jupyter-ai/ui-tests/jupyter_server_test_config.py
@@ -4,6 +4,7 @@
 opens the server to the world and provide access to JupyterLab
 JavaScript objects through the global window variable.
 """
+
 from jupyterlab.galata import configure_jupyter_server
 
 configure_jupyter_server(c)