diff --git a/ubuntu_smoother/main.py b/ubuntu_smoother/main.py
index 469d16b..6f23522 100644
--- a/ubuntu_smoother/main.py
+++ b/ubuntu_smoother/main.py
@@ -14,6 +14,8 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+from ubuntu_smoother.window import UbuntuSmootherWindow
+from gi.repository import Gtk, Gio, Adw
 import sys
 import gi
 import logging
@@ -21,10 +23,6 @@ import logging
 gi.require_version('Gtk', '4.0')
 gi.require_version('Adw', '1')
 
-from gi.repository import Gtk, Gio, Adw
-
-from ubuntu_smoother.window import UbuntuSmootherWindow
-
 
 logging.basicConfig(level=logging.INFO)
 
@@ -62,7 +60,7 @@ class UbuntuSmootherApplication(Adw.Application):
         self.add_action(action)
         if shortcuts:
             self.set_accels_for_action(f"app.{name}", shortcuts)
-    
+
     def close(self, *args):
         """Close the application."""
         self.quit()
@@ -71,4 +69,4 @@ class UbuntuSmootherApplication(Adw.Application):
 def main(version):
     """The application's entry point."""
     app = UbuntuSmootherApplication()
-    return app.run(sys.argv)
\ No newline at end of file
+    return app.run(sys.argv)
diff --git a/ubuntu_smoother/models/config.py b/ubuntu_smoother/models/config.py
index ca8c1e0..cae9f63 100644
--- a/ubuntu_smoother/models/config.py
+++ b/ubuntu_smoother/models/config.py
@@ -4,4 +4,3 @@ class Config:
         self.snap = snap
         self.flatpak = flatpak
         self.apport = apport
-        
\ No newline at end of file
diff --git a/ubuntu_smoother/models/preset.py b/ubuntu_smoother/models/preset.py
index 8fc22fe..9fb1d42 100644
--- a/ubuntu_smoother/models/preset.py
+++ b/ubuntu_smoother/models/preset.py
@@ -3,4 +3,3 @@ class Preset:
     snap: bool = True
     flatpak: bool = True
     apport: bool = True
-    
\ No newline at end of file
diff --git a/ubuntu_smoother/utils/checks.py b/ubuntu_smoother/utils/checks.py
index fafb79b..d3c8425 100644
--- a/ubuntu_smoother/utils/checks.py
+++ b/ubuntu_smoother/utils/checks.py
@@ -1,10 +1,13 @@
 import shutil
 
+
 def is_snap_installed():
     return shutil.which('snap') is not None
 
+
 def is_flatpak_installed():
     return shutil.which('flatpak') is not None
 
+
 def is_apport_installed():
     return shutil.which('apport') is not None
diff --git a/ubuntu_smoother/utils/configurator.py b/ubuntu_smoother/utils/configurator.py
index 0b6e845..cb98ad0 100644
--- a/ubuntu_smoother/utils/configurator.py
+++ b/ubuntu_smoother/utils/configurator.py
@@ -8,6 +8,7 @@ from ubuntu_smoother.utils.snap import Snap
 
 logger = logging.getLogger("UbuntuSmoother::Configurator")
 
+
 class Configurator:
 
     def __init__(self, config: 'Config', fake: bool = False):
@@ -18,7 +19,7 @@ class Configurator:
         self.__enable_snap() if self.config.snap else self.__disable_snap()
         self.__enable_flatpak() if self.config.flatpak else self.__disable_flatpak()
         self.__enable_apport() if self.config.apport else self.__disable_apport()
-    
+
     def __enable_snap(self):
         if self.fake:
             logger.info("Fake: Snap enabled")
@@ -32,7 +33,7 @@ class Configurator:
 
         if not self.config.flatpak:
             Snap.install(['snap-store'])
-            
+
     def __disable_snap(self):
         if self.fake:
             logger.info("Fake: Snap disabled")
@@ -40,7 +41,7 @@ class Configurator:
 
         if checks.is_snap_installed():
             Apt.purge(['snapd'])
-            
+
     def __enable_flatpak(self):
         if self.fake:
             logger.info("Fake: Flatpak enabled")
diff --git a/ubuntu_smoother/window.py b/ubuntu_smoother/window.py
index 965e144..bb45462 100644
--- a/ubuntu_smoother/window.py
+++ b/ubuntu_smoother/window.py
@@ -51,8 +51,10 @@ class UbuntuSmootherWindow(Adw.ApplicationWindow):
         self.btn_start.connect('clicked', self.__on_btn_start_clicked)
         self.btn_save.connect('clicked', self.on_btn_save_clicked)
         self.switch_snap.connect('state-set', self.__on_switch_snap_state_set)
-        self.switch_flatpak.connect('state-set', self.__on_switch_flatpak_state_set)
-        self.switch_apport.connect('state-set', self.__on_switch_apport_state_set)
+        self.switch_flatpak.connect(
+            'state-set', self.__on_switch_flatpak_state_set)
+        self.switch_apport.connect(
+            'state-set', self.__on_switch_apport_state_set)
 
     def __on_btn_start_clicked(self, widget):
         index = int(self.carousel.get_position())