diff --git a/sepal_ui/sepalwidgets/inputs.py b/sepal_ui/sepalwidgets/inputs.py
index f4d3d80c..979aa1b6 100644
--- a/sepal_ui/sepalwidgets/inputs.py
+++ b/sepal_ui/sepalwidgets/inputs.py
@@ -23,10 +23,10 @@
 import traitlets as t
 from deprecated.sphinx import versionadded
 from natsort import humansorted
+from reactivex import operators as ops
+from reactivex.subject import Subject
 from traitlets import link, observe
 from typing_extensions import Self
-from reactivex.subject import Subject
-from reactivex import operators as ops
 
 from sepal_ui.frontend import styles as ss
 from sepal_ui.message import ms