This fixes the itango completion bug

docker-compose/itango/Dockerfile

 ARG VERSION=latest
-FROM nexus.engageska-portugal.pt/ska-docker/tango-itango:${VERSION}
+ARG DOCKER_REGISTRY_HOST=nexus.engageska-portugal.pt
+ARG DOCKER_REGISTRY_USER=ska-docker
+FROM $DOCKER_REGISTRY_HOST/$DOCKER_REGISTRY_USER/tango-itango:${VERSION}
 
-RUN sudo apt-get -y update && \
-    sudo apt-get -y upgrade && \
-    sudo apt-get -y install apt-file apt-transport-https apt-utils aptitude && \
-    sudo aptitude -y install htop iftop iproute2 mc most net-tools tcpdump telnet tmux traceroute vim xterm && \
-    sudo aptitude clean && \
-    sudo aptitude autoclean && \
-    pip3 install "opcua >= 0.98.9" asyncua astropy
+USER root
 
+RUN apt-get -y update && \
+    apt-get -y upgrade && \
+    apt-get -y install apt-file apt-transport-https apt-utils aptitude && \
+    aptitude -y install htop iftop iproute2 mc most net-tools tcpdump telnet tmux traceroute vim xterm && \
+    aptitude clean && \
+    aptitude autoclean && \
+    pip3 install "opcua >= 0.98.9" asyncua astropy && \
+    pip3 uninstall -y jedi parso && \
+    pip3 install "parso == 0.7.1" "jedi == 0.17.2" && \
+    pip3 cache purge
+
+USER tango