regenerate fixing spurious change

Signed-off-by: Mikael Arguedas <[email protected]>

ros/noetic/ubuntu/focal/ros-core/Dockerfile

@@ -27,6 +27,7 @@ RUN set -eux; \
 
 # setup sources.list
 RUN echo "deb [ signed-by=/usr/share/keyrings/ros1-latest-archive-keyring.gpg ] http://packages.ros.org/ros/ubuntu focal main" > /etc/apt/sources.list.d/ros1-latest.list
+
 # setup environment
 ENV LANG C.UTF-8
 ENV LC_ALL C.UTF-8