Re-enable flak8 linter

.Jenkins/workflows/Jenkinsfile_EL9

@@ -50,7 +50,7 @@ pipeline {
                         echo "prepare docker image ${flake8StageDockerImage}"
                         sh "docker build --pull --tag ${flake8StageDockerImage} --build-arg BASEIMAGE=hepcloud/decision-engine-ci-el9:${BRANCH} --build-arg UID=\$(id -u) --build-arg GID=\$(id -g) -f decisionengine/package/ci/EL9/Dockerfile decisionengine/package/ci/EL9/"
                         echo "Run ${STAGE_NAME} tests"
-                        sh "docker run --rm --env PYTEST_TIMEOUT=${PYTEST_TIMEOUT} -v ${WORKSPACE}/decisionengine:${WORKSPACE}/decisionengine -w ${WORKSPACE}/decisionengine ${flake8StageDockerImage} \"-m pytest -m flake8 --flake8\" \"flake8.log\""
+                        sh "docker run --rm --env PYTEST_TIMEOUT=${PYTEST_TIMEOUT} -v ${WORKSPACE}/decisionengine:${WORKSPACE}/decisionengine -w ${WORKSPACE}/decisionengine ${flake8StageDockerImage} \"-m flake8\" \"flake8.log\""
                     }
                     post {
                         always {

.flake8

@@ -0,0 +1,21 @@
+[flake8]
+  max-line-length = 120
+  # Errors and warnings to ignore
+  extend-ignore =
+     # line too long (90 > 79 characters)
+     E501,
+     # too many blank lines (2)
+     E303,
+     # expected 2 blank lines, found 1
+     E302,
+     # at least two spaces before inline comment
+     E261,
+     # block comment should start with '# '
+     E265,
+     # whitespace before ':'
+     E203,
+     # permit line breaks in binary operators
+     W503,
+     # permit line breaks in binary operators
+     W504,
+

.github/workflows/linters.yaml

@@ -15,8 +15,7 @@ on:
 
 jobs:
   run_flake8:
-    if: ${{ github.ref == 'refs/heads/1.7' }}
-    name: Run pytest-flake8 against code tree
+    name: Run flake8 against code tree
     runs-on: ubuntu-latest
     steps:
       - name: checkout code tree
@@ -65,7 +64,7 @@ jobs:
         env:
           PYTHONPATH: ${{ github.workspace }}/src
         run: |
-          pytest -m flake8 --flake8 --log-level=error
+          python3 -m flake8
 
   run_pylint:
     name: Run pylint against code tree