* add type hints

ansible/playbooks/roles/repository/files/download-requirements/src/config/config.py

@@ -4,7 +4,7 @@
 from itertools import chain
 from os import uname
 from pathlib import Path
-from typing import Any, Dict, List
+from typing import Any, Dict, List, Set
 
 from src.config.os_type import OSArch, OSConfig, OSType, SUPPORTED_OS_TYPES
 from src.error import CriticalError, OldManifestVersion
@@ -283,23 +283,23 @@ def __filter_images(self, requirements: Dict[str, Any], manifest: Dict[str, Any]
         # prepare image groups:
         images = requirements['images']
         images_to_download: Dict[str, Dict] = {}
-        all_images = set()
+        selected_images: Set[str] = set()
         for image_group in images:
             images_to_download[image_group] = {}
 
         if len(manifest['requested-images']):  # if image-registry document used:
             for image_group in images:
                 for image, data in images[image_group].items():
-                    if image in manifest['requested-images'] and image not in all_images:
+                    if image in manifest['requested-images'] and image not in selected_images:
                         images_to_download[image_group][image] = data
-                        all_images.add(image)
+                        selected_images.add(image)
         else:                                  # otherwise check features used:
             for image_group in images:
                 if image_group in manifest['requested-features']:
                     for image, data in images[image_group].items():
-                        if image not in all_images:
+                        if image not in selected_images:
                             images_to_download[image_group][image] = data
-                            all_images.add(image)
+                            selected_images.add(image)
 
         if images_to_download:
             requirements['images'] = images_to_download