not compatible with old pythons

utils_lib/apt.py

@@ -14,11 +14,11 @@ except ModuleNotFoundError:
 
 
 class Apt:
-    cache: apt.cache.Cache
-    packages: list
-    installed_packages: list
-    removable_packages: list
-    upgradable_packages: list
+    # cache: apt.cache.Cache
+    # packages: list
+    # installed_packages: list
+    # removable_packages: list
+    # upgradable_packages: list
 
     def __init__(self, update: bool = False):
         self.cache = self.get_cache(update)