diff --git a/Dockerfile b/Dockerfile
index c0997bae238c3b1ca6300e34f1dac200e93412ef..d3f2250b4df6206e0f5c1ec90185e3004e63bf86 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,8 +16,7 @@ RUN apt-get update && \
   # Display server xvfb needed for Selinas 
   xvfb \ 
   # Geckodriver needed for Selinas
-  firefox-geckodriver \
-  
+  firefox-geckodriver 
 USER ${NB_USER}
 
 # install the python dependencies