diff --git a/install.py b/install.py
index 26935ce..8466cb7 100755
--- a/install.py
+++ b/install.py
@@ -19,7 +19,7 @@ class Installer:
     """Regroups all the installation methods listed in the yaml conf file."""
 
     def __init__(self, force: bool = False, update: bool = False):
-        yaml = YAML(typ='safe')
+        yaml = YAML(typ="safe")
         self.conf = yaml.load(Path("configs.yml").text())
         self.base_dir = Path.getcwd()
         self.home = Path("~").expanduser()
@@ -125,14 +125,10 @@ class Installer:
             try:
                 # dict only contains os-specific packages
                 if "both" not in os_specific_packages.keys():
-                    packages = tuple(
-                        os_specific_packages[self.operating_system]
-                    )
+                    packages = tuple(os_specific_packages[self.operating_system])
                 # some packages for other operating systems are in the dict
                 elif self.operating_system not in os_specific_packages.keys():
-                    packages = tuple(
-                        os_specific_packages["both"]
-                    )
+                    packages = tuple(os_specific_packages["both"])
                 # dict contains specific and non-specific packages
                 else:
                     packages = tuple(
@@ -148,15 +144,18 @@ class Installer:
         ui.info_2("Installing packages...")
         for i, package in enumerate(packages):
             if self.operating_system == "arch based":
-                command = "sudo pacman -S --needed --noconfirm {}"\
-                          .format(package)
+                command = "sudo pacman -S --needed --noconfirm {}".format(package)
             elif self.operating_system == "debian based":
                 command = "sudo apt install -y {}".format(package)
 
             ui.info_count(i, len(packages), package, end="... ")
-            install = subprocess.run(command, check=False, shell=True,
-                                     stdout=subprocess.DEVNULL,
-                                     stderr=subprocess.DEVNULL)
+            install = subprocess.run(
+                command,
+                check=False,
+                shell=True,
+                stdout=subprocess.DEVNULL,
+                stderr=subprocess.DEVNULL,
+            )
 
             if install.returncode != 0:
                 ui.info(ui.cross)
@@ -170,8 +169,12 @@ class Installer:
             for failed in failed_installs:
                 ui.info(" ", failed)
 
-            ui.info(ui.yellow, "Are the packages really meant for {} systems?"
-                    .format(self.operating_system))
+            ui.info(
+                ui.yellow,
+                "Are the packages really meant for {} systems?".format(
+                    self.operating_system
+                ),
+            )
 
     def do_run(self, command: str, condition: str = "true") -> None:
         """Run a command."""
@@ -264,8 +267,9 @@ class Installer:
         """
 
         if not programs:
-            ui.info("No programs were specified.",
-                    "Fetching from the configuration file.")
+            ui.info(
+                "No programs were specified.", "Fetching from the configuration file."
+            )
             programs = list(self.conf.keys())
             for program in programs:
                 if ui.ask_yes_no("Do you wish to install {}?".format(program)):
@@ -342,8 +346,7 @@ def read_programs_from_process_list() -> List[str]:
         content = process_file.readlines()
 
     programs = [
-        line.strip() for line in content
-        if not line.startswith("#") and len(line) > 0
+        line.strip() for line in content if not line.startswith("#") and len(line) > 0
     ]
 
     for program in programs:
@@ -357,34 +360,31 @@ def main() -> None:
 
     parser = argparse.ArgumentParser()
     parser.add_argument(
-        "programs",
-        nargs="*",
-        help="Programs to process, can be none",
+        "programs", nargs="*", help="Programs to process, can be none",
     )
     parser.add_argument(
-        "-f", "--from_file",
+        "-f",
+        "--from_file",
         action="store_true",
         help="Use 'process_list.txt' as programs to process",
     )
     parser.add_argument(
-        "-F", "--force",
-        action="store_true",
-        help="Overwrite existing files",
+        "-F", "--force", action="store_true", help="Overwrite existing files",
     )
     parser.add_argument(
-        "-g", "--generate",
+        "-g",
+        "--generate",
         action="store_true",
-        help="Generate a file containing all the programs from the config file"
+        help="Generate a file containing all the programs from the config file",
     )
     parser.add_argument(
-        "-l", "--list_programs",
+        "-l",
+        "--list_programs",
         action="store_true",
         help="List all programs from the configuration file",
     )
     parser.add_argument(
-        "-u", "--update",
-        action="store_true",
-        help="Update git repos",
+        "-u", "--update", action="store_true", help="Update git repos",
     )
 
     args = parser.parse_args()
@@ -409,8 +409,9 @@ def main() -> None:
         return
 
     if from_file:
-        assert not programs, \
-            "Can't use 'process_list.txt' if you also specify programs!"
+        assert (
+            not programs
+        ), "Can't use 'process_list.txt' if you also specify programs!"
 
         programs = read_programs_from_process_list()