FIX: add missing dollar

.gitlab-ci.yml

@@ -145,7 +145,7 @@ unittest_py3.9:
     - *env
     - pip install pytest pytest-cov
     - pip install git+https://gitlab.indiscale.com/caosdb/src/caosdb-pylib.git@${PYLIB}
-    - pip install git+https://gitlab.indiscale.com/caosdb/src/caosdb-advanced-user-tools.git@{ADVANCED}
+    - pip install git+https://gitlab.indiscale.com/caosdb/src/caosdb-advanced-user-tools.git@${ADVANCED}
     - pip install .[h5-crawler,spss,rocrate]
     - echo "import sys; assert sys.version.startswith('"$PYVER"')"
     - python3 -c "import sys; assert sys.version.startswith('"$PYVER"')"
@@ -271,7 +271,7 @@ build-testenv:
       - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
         # use here general latest or specific branch latest...
       - docker build
-        --build-arg PYLIB=${PYLIB}
+        --build-arg PYLIB=${PYLIB:dev}
         --build-arg ADVANCED=${ADVANCED:dev}
         --file .docker/Dockerfile
         -t $CI_REGISTRY_IMAGE .