diff --git a/.github/workflows/CheckCodeQuality.yml b/.github/workflows/CheckCodeQuality.yml
index 0a3ab484..3ec10a84 100644
--- a/.github/workflows/CheckCodeQuality.yml
+++ b/.github/workflows/CheckCodeQuality.yml
@@ -86,7 +86,6 @@ jobs:
 
       - name: 👮 Bandit
         id: bandit
-        if: inputs.artifact != ''
         run: |
           set +e
 
diff --git a/.github/workflows/CleanupArtifacts.yml b/.github/workflows/CleanupArtifacts.yml
index 988a781e..84fcc872 100644
--- a/.github/workflows/CleanupArtifacts.yml
+++ b/.github/workflows/CleanupArtifacts.yml
@@ -96,7 +96,7 @@ jobs:
               case [prefix, key, postfix] if key in artifactNames:
                 artifacts.append(f"{prefix}{artifactNames[key]}{postfix}")
               case _:
-                printf(f"Name '{name}' not found in JSON dictionary.")
+                print(f"Name '{name}' not found in JSON dictionary.")
 
           print("Artifact to delete:")
           for name in artifacts:
@@ -143,7 +143,7 @@ jobs:
               case [prefix, key, postfix] if key in artifactNames:
                 artifacts.append(f"{prefix}{artifactNames[key]}{postfix}")
               case _:
-                printf(f"Name '{name}' not found in JSON dictionary.")
+                print(f"Name '{name}' not found in JSON dictionary.")
 
           print("Artifact to delete:")
           for name in artifacts:
diff --git a/.github/workflows/PrepareJob.yml b/.github/workflows/PrepareJob.yml
index 6cd1fd07..6ea6eecc 100644
--- a/.github/workflows/PrepareJob.yml
+++ b/.github/workflows/PrepareJob.yml
@@ -366,9 +366,9 @@ jobs:
           fi
 
           # Submodules
-          if [[ -f .gitsubmodules ]]; then
+          git_modules_file=.gitmodules   # $(git rev-parse --show-toplevel)/.gitmodules
+          if [[ -f "${git_modules_file}" ]]; then
             has_submodules="true"
-            git_modules_file=.gitmodules   # $(git rev-parse --show-toplevel)/.gitmodules
             git_submodule_count="$(grep -Po '(?<=\[submodule \")(.*)(?=\"\])' "${git_modules_file}" | wc -l)"
             git_submodule_names="$(grep -Po '(?<=\[submodule \")(.*)(?=\"\])' "${git_modules_file}" | paste -sd ':' -)"
             git_submodule_paths="$(git config --file "${git_modules_file}" --null --name-only --get-regexp '\.path$' | xargs -0 -n1 git config --file "${git_modules_file}" --get | paste -sd ':' -)"
diff --git a/.github/workflows/_Checking_CleanupArtifacts.yml b/.github/workflows/_Checking_CleanupArtifacts.yml
index f599c84f..5fedf489 100644
--- a/.github/workflows/_Checking_CleanupArtifacts.yml
+++ b/.github/workflows/_Checking_CleanupArtifacts.yml
@@ -58,8 +58,10 @@ jobs:
       - Package
     with:
       json: ${{ needs.Params.outputs.artifact_names }}
+      # Deliberate added 'unknown_key' for exception testing.
       artifact-json-ids: >-
         unittesting_xml:-*
+        unknown_key
       # The package artifact is kept on tagged runs, so 'PublishOnPyPI.yml' can still consume it.
       json2: ${{ needs.Params.outputs.artifact_names }}
       condition2: ${{ ! startsWith(github.ref, 'refs/tags') }}