gitlab ci: Do not try to lint deleted files

.gitlab-ci.yml

@@ -14,7 +14,7 @@ check labels:
   stage: Lint
   image: registry.getnoc.com/infrastructure/noc-py-lint:master
   script:
-    - FLIST=$(git --no-pager diff --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA)
+    - FLIST=$(git --no-pager diff --diff-filter=d --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA)
     - python ./scripts/check-labels.py --junit-report=build/reports/labels-junit.xml $FLIST
   only:
     - merge_requests
@@ -32,7 +32,7 @@ flake8:
   image: registry.getnoc.com/infrastructure/noc-py-lint:master
   script:
     - set -x
-    - FLIST=$(git --no-pager diff --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA  | egrep ".py$" | grep -v ".docker/"|| true)
+    - FLIST=$(git --no-pager diff --diff-filter=d --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA  | egrep ".py$" | grep -v ".docker/"|| true)
     - >
       if [ ! -z "$FLIST" ];
       then
@@ -141,7 +141,7 @@ pylint:
   image: registry.getnoc.com/infrastructure/noc-py-lint:master
   script:
     - set -x
-    - FLIST=$(git --no-pager diff --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA | egrep ".py$" | grep -v ".docker/"|| true)
+    - FLIST=$(git --no-pager diff --diff-filter=d --name-only $(git merge-base origin/$CI_MERGE_REQUEST_TARGET_BRANCH_NAME $CI_COMMIT_SHA) $CI_COMMIT_SHA | egrep ".py$" | grep -v ".docker/"|| true)
     - >
       if [ ! -z "$FLIST" ];
       then