diff --git a/ubuntu18.04/base/Dockerfile b/ubuntu18.04/base/Dockerfile
index 397e7525d48ac1781f67803bacf176be1e853bf0..d1a13dfc3de6a819faf1d739f83526c129b3e874 100644
--- a/ubuntu18.04/base/Dockerfile
+++ b/ubuntu18.04/base/Dockerfile
@@ -71,7 +71,7 @@ RUN python3.6 -m pip --no-cache-dir install \
         twine \
         h5py \
         joblib \
-        psutil 
+        psutil
 
 RUN cd /tmp && \
     curl -sSLO https://cmake.org/files/v3.13/cmake-3.13.1.tar.gz && \