diff --git a/python/perspective/perspective/__init__.py b/python/perspective/perspective/__init__.py
index 57c728f30d..da7d7a7bb7 100644
--- a/python/perspective/perspective/__init__.py
+++ b/python/perspective/perspective/__init__.py
@@ -18,8 +18,6 @@
 from .nbextension import _jupyter_nbextension_paths
 from .widget.widget import PerspectiveWidget
 
+
 def _jupyter_labextension_paths():
-    return [{
-        "src": "labextension",
-        "dest": "@finos/perspective-jupyterlab"
-    }]
+    return [{"src": "labextension", "dest": "@finos/perspective-jupyterlab"}]