Update Ubuntu container

ubuntu-eb-test/Dockerfile

@@ -8,9 +8,10 @@ FROM ${IMG_REGISTRY}/${IMG_ORG}/${IMG_REPO}/${IMG_NAME}:${IMG_TAG}
 # add EasyBuild-develop.eb and update-eb-dev.sh
 COPY EasyBuild-develop.eb /home/easybuild/EasyBuild-develop.eb
 COPY update-eb-dev.sh /home/easybuild/update-eb-dev.sh
-# install pep8
 USER root
-RUN pip3 install pep8
+RUN chown -R easybuild:easybuild /home/easybuild/EasyBuild-develop.eb /home/easybuild/update-eb-dev.sh
+# install pep8, keyring, keyrings.alt, and GitPython
+RUN pip3 install --upgrade pip && pip3 install pep8 keyring keyrings.alt GitPython
 # set default easybuild version
 ARG EB_VER=4.5.1
 LABEL easybuild_version=${EB_VER}