remove invalid zip from interrupted previous download

UI_logic/MainWindow.py

@@ -1,7 +1,7 @@
 import os
 from shutil import rmtree, copytree
 from sys import argv
-from zipfile import ZipFile
+from zipfile import ZipFile, BadZipFile
 
 import requests
 from PyQt5.QtGui import QDesktopServices, QColor, QBrush, QIcon
@@ -392,7 +392,7 @@ class MainWindow(QMainWindow, ui_main.Ui_MainWindow):
                 file_url = f"{'https://stlunlocker.pro/unlocker/'}{dlc_folder}.zip"
                 save_path = os.path.join(self.game_path, 'dlc', f'{dlc_folder}.zip')
                 dlc_path = os.path.join(self.game_path, 'dlc', dlc_folder)
-                
+
                 if not os.path.exists(dlc_path) and self.is_invalid_zip(save_path):
                     if os.path.exists(save_path):
                         os.remove(save_path)
@@ -413,17 +413,17 @@ class MainWindow(QMainWindow, ui_main.Ui_MainWindow):
 
     @staticmethod
     def is_invalid_zip(path):
-                    if not os.path.exists(path):
-                        return True
-                    if os.path.getsize(path) == 0:
-                        return True
-                    try:
-                        with zipfile.ZipFile(path, 'r') as zf:
-                            if zf.testzip() is not None:
-                                return True  # Corrupted file found
-                    except zipfile.BadZipFile:
-                        return True  # Not even a zip
-                    return False
+        if not os.path.exists(path):
+            return True
+        if os.path.getsize(path) == 0:
+            return True
+        try:
+            with ZipFile(path, 'r') as zf:
+                if zf.testzip() is not None:
+                    return True  # Corrupted file found
+        except BadZipFile:
+            return True  # Not even a zip
+        return False
 
     def update_progress(self, value, by_download=False):
         self.dlc_download_progress_bar.setValue(value)