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 && \
@@ -7,5 +9,7 @@ RUN sudo apt-get -y update && \
     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
-
+    sudo pip3 install "opcua >= 0.98.9" asyncua astropy && \
+    sudo pip3 uninstall -y jedi parso && \
+    sudo pip3 install "parso == 0.7.1" "jedi == 0.17.2" && \
+    sudo pip3 cache purge