Fixes by autopep8 action (#326)

This is an auto-generated PR with fixes by autopep8.

src/presets_manager_window.py

@@ -66,13 +66,12 @@ class GradiencePresetWindow(Adw.Window):
         self.preset_list.set_title(_("User Presets"))
         self.installed.add(self.preset_list)
         self.reload_pref_group()
-        
+
         self.repos_list = Adw.PreferencesGroup()
         self.repos_list.set_title(_("Repositories"))
         self.repos.add(self.repos_list)
         self.reload_repos_group()
 
-
         self.app = Gtk.Application.get_default()
         self.setup_import()
 
@@ -86,11 +85,10 @@ class GradiencePresetWindow(Adw.Window):
         self.delete_toast.connect(
             "button-clicked",
             self.on_undo_button_clicked)
-        
+
         self.repositories = {
-            "Official": "https://github.com/GradienceTeam/Community/raw/main/presets.json"
-        }
-        
+            "Official": "https://github.com/GradienceTeam/Community/raw/main/presets.json"}
+
     def remove_repo(self, repo_name):
         self.repositories.pop(repo_name)
 
@@ -101,7 +99,7 @@ class GradiencePresetWindow(Adw.Window):
             row = GradienceRepoRow(repo, repo_name, self.toast_overlay)
             self.repos_list.add(row)
         self.repos.add(self.repos_list)
-        
+
     def setup_explore(self):
         self.explore_presets, urls = fetch_presets()
 

src/repo_row.py

@@ -43,10 +43,9 @@ class GradienceRepoRow(Adw.ActionRow):
         self.app = Gtk.Application.get_default()
         self.win = win
         self.toast_overlay = self.win.toast_overlay
-        
+
         if not deletable:
             self.remove_button.set_visible(False)
-        
 
     @Gtk.Template.Callback()
     def on_remove_button_clicked(self, *_args):