Check out the code first, fix two lints

.github/workflows/Docker-build-release.yaml

@@ -19,13 +19,14 @@ jobs:
       contents: read
       packages: write
     steps:
+      - uses: actions/checkout@v4
+
       - id: getversion
         uses: jbutcher5/[email protected]
         with:
           file: run-nextflow-tests/docker-metadata.yaml
           key-path: '["nextflow_version"]'
 
-
       - id: build-push
         uses: uclahs-cds/tool-Docker-action/build-release@nwiltsie-enable-subfolders
         with:

run-nextflow-tests/Dockerfile

@@ -35,6 +35,6 @@ COPY betterconfig.groovy /usr/local/bltests/
 COPY entry.py configtest.py utils.py /usr/local/bltests/
 WORKDIR /mnt/pipeline
 
-LABEL org.opencontainers.image.source https://github.com/uclahs-cds/tool-Nextflow-action
+LABEL org.opencontainers.image.source=https://github.com/uclahs-cds/tool-Nextflow-action
 
 ENTRYPOINT ["/usr/local/bltests/entry.py"]

run-nextflow-tests/utils.py

@@ -68,7 +68,7 @@ def diff_json(alpha, beta):
 
 def parse_value(value_str: str):
     "Parse a value."
-    # pylint: disable=too-many-branches
+    # pylint: disable=too-many-branches,too-many-return-statements
     try:
         if CLOSURE_RE.match(value_str):
             return "closure()"