refactor: clean up unused imports and improve code organization

core/interface/gui.py

@@ -76,19 +76,20 @@ class MainWindow(QtWidgets.QMainWindow, QWidget):
         if state.ignore_updates is False:
             if platform.system() == "Windows":
                 result = check_for_updates()
-                assets, latest_version = result
+                if result != (None, None):
+                    assets, latest_version = result
 
-                if assets:
-                    msg = QMessageBox()
-                    msg.setIcon(QMessageBox.Information)
-                    msg.setWindowTitle("Update Available")
-                    msg.setText("A new version is available.")
-                    msg.setInformativeText("Press Ok to download the update.")
-                    msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Ignore)
+                    if assets:
+                        msg = QMessageBox()
+                        msg.setIcon(QMessageBox.Information)
+                        msg.setWindowTitle("Update Available")
+                        msg.setText("A new version is available.")
+                        msg.setInformativeText("Press Ok to download the update.")
+                        msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Ignore)
 
-                    response = msg.exec_()
-                    if response == QMessageBox.Ok:
-                        download_update(latest_version)
+                        response = msg.exec_()
+                        if response == QMessageBox.Ok:
+                            download_update(latest_version)
 
         self.setWindowTitle("Software Manager")
         self.setGeometry(100, 100, 800, 600)

core/utils/data/state.py

@@ -12,7 +12,7 @@ class AppState(QObject):
         self.post_urls: List[str] = []
         self.post_author: List[str] = []
         self.downloads: List[str] = []
-        self.version: str
+        self.version: str = "dev"
         self._image_path: str = ""
         self.ignore_updates: bool = False
         self.debug: bool = False

core/utils/network/update_checker.py

@@ -30,6 +30,8 @@ def check_for_updates():
                 for asset in assets:
                     print(f" - {asset['name']}: {asset['browser_download_url']}")
             return assets, latest_version
+        else: 
+            return None, None
     else:
         if state.debug:
             print("Already up-to-date.")