diff --git a/slpkg/utilities.py b/slpkg/utilities.py
index 935a0127..7f314986 100644
--- a/slpkg/utilities.py
+++ b/slpkg/utilities.py
@@ -41,7 +41,7 @@ class Utilities(Configs):
         except KeyError:
             return ''
 
-    def all_installed(self) -> dict:
+    def all_installed(self) -> tuple:
         """ Return all installed packages from /val/log/packages folder. """
         for file in self.log_packages.glob(self.file_pattern):
             name: str = self.split_package(file.name)['name']
@@ -78,7 +78,7 @@ class Utilities(Configs):
         build: str = ''.join(re.findall(r'\d+', build_tag[:2]))
         pkg_tag: str = build_tag[len(build):]
 
-        split: dict = {
+        split: dict[str] = {
             'name': name,
             'version': version,
             'arch': arch,
@@ -104,7 +104,6 @@ class Utilities(Configs):
             for line in lines:
                 if line.startswith('BUILD=$'):
                     build = ''.join(re.findall(r'\d+', line))
-
         return build
 
     @staticmethod
@@ -117,7 +116,6 @@ class Utilities(Configs):
     def read_packages_from_file(self, file: Path) -> Generator:
         """ Reads packages from file and split these to list. """
         try:
-
             with open(file, 'r', encoding='utf-8') as pkgs:
                 packages: list = pkgs.read().splitlines()
 
@@ -125,9 +123,7 @@ class Utilities(Configs):
                 if package and not package.startswith('#'):
                     if '#' in package:
                         package = package.split('#')[0].strip()
-
                     yield package
-
         except FileNotFoundError:
             logger = logging.getLogger(LoggingConfig.date)
             logger.exception(f'{self.__class__.__name__}: '
@@ -166,7 +162,6 @@ class Utilities(Configs):
     def convert_file_sizes(size: int) -> str:
         """ Convert file sizes. """
         units: tuple = ('KB', 'MB', 'GB')
-
         for unit in units:
             if size < 1000:
                 return f'{size:.0f} {unit}'
@@ -176,11 +171,9 @@ class Utilities(Configs):
     def apply_package_pattern(data: dict, packages: list) -> list:
         """ If the '*' applied returns all the package names. """
         for pkg in packages:
-
             if pkg == '*':
                 packages.remove(pkg)
                 packages.extend(list(data.keys()))
-
         return packages
 
     def blacklist_pattern(self, name: str) -> bool: