diff --git a/.gitea/workflows/repo-health.yml b/.gitea/workflows/repo-health.yml
index b2b2dff..482ee1a 100644
--- a/.gitea/workflows/repo-health.yml
+++ b/.gitea/workflows/repo-health.yml
@@ -284,7 +284,7 @@ jobs:
             exit 0
           fi
 
-          IFS=',' read -r -a required_dirs <<< "${SCRIPTS_REQUIRED_DIRS:-}"
+          if [ -n "${SCRIPTS_REQUIRED_DIRS:-}" ]; then IFS=',' read -r -a required_dirs <<< "${SCRIPTS_REQUIRED_DIRS}"; else required_dirs=(); fi
           IFS=',' read -r -a allowed_dirs <<< "${SCRIPTS_ALLOWED_DIRS}"
 
           missing_dirs=()
@@ -390,7 +390,7 @@ jobs:
 
           IFS=',' read -r -a required_artifacts <<< "${REPO_REQUIRED_ARTIFACTS}"
           IFS=',' read -r -a optional_files <<< "${REPO_OPTIONAL_FILES}"
-          IFS=',' read -r -a disallowed_dirs <<< "${REPO_DISALLOWED_DIRS:-}"
+          if [ -n "${REPO_DISALLOWED_DIRS:-}" ]; then IFS=',' read -r -a disallowed_dirs <<< "${REPO_DISALLOWED_DIRS}"; else disallowed_dirs=(); fi
           IFS=',' read -r -a disallowed_files <<< "${REPO_DISALLOWED_FILES:-}"
 
           missing_required=()
@@ -477,26 +477,14 @@ jobs:
           export MISSING_OPTIONAL="$(printf '%s\n' "${missing_optional[@]:-}")"
           export CONTENT_WARNINGS="$(printf '%s\n' "${content_warnings[@]:-}")"
 
-          report_json="$(python3 - <<'PY'
-          import json
-          import os
-
-          profile = os.environ.get('PROFILE_RAW') or 'all'
-
-          missing_required = os.environ.get('MISSING_REQUIRED', '').splitlines() if os.environ.get('MISSING_REQUIRED') else []
-          missing_optional = os.environ.get('MISSING_OPTIONAL', '').splitlines() if os.environ.get('MISSING_OPTIONAL') else []
-          content_warnings = os.environ.get('CONTENT_WARNINGS', '').splitlines() if os.environ.get('CONTENT_WARNINGS') else []
-
-          out = {
-            'profile': profile,
-            'missing_required': [x for x in missing_required if x],
-            'missing_optional': [x for x in missing_optional if x],
-            'content_warnings': [x for x in content_warnings if x],
-          }
-
-          print(json.dumps(out, indent=2))
-          PY
-          )"
+          report_json="$(python3 -c "
+import json, os
+profile = os.environ.get('PROFILE_RAW') or 'all'
+mr = [x for x in os.environ.get('MISSING_REQUIRED', '').splitlines() if x]
+mo = [x for x in os.environ.get('MISSING_OPTIONAL', '').splitlines() if x]
+cw = [x for x in os.environ.get('CONTENT_WARNINGS', '').splitlines() if x]
+print(json.dumps({'profile': profile, 'missing_required': mr, 'missing_optional': mo, 'content_warnings': cw}, indent=2))
+")"
 
           {
             printf '%s\n' '### Repository health'