Trying ro fix multi-threading issue

model/WebPicDownloader.py

@@ -1,4 +1,5 @@
 import os
+import sys
 from urllib import request
 from urllib.error import HTTPError, URLError
 from bs4 import BeautifulSoup, Tag, ResultSet
@@ -138,6 +139,7 @@ class WebPicDownloader():
         Stop the downloading and processing of images (method for use in a thread).
         """
         self.thread_run = False
+        sys.exit(0)
 
     def download(self, url: str, folder_name: str) -> bool:
         """
@@ -158,8 +160,10 @@ class WebPicDownloader():
             self.messenger(f"WebPicDownloader found {len(images)} images on the website.")
 
             for i, img in enumerate(images):
+                print("check")
+                print(id(self))
                 if not self.thread_run:
-                    exit()
+                    print("return")
                 try:
                     self.messenger(f"Start downloading image {i}.")
                     img_link = self.__find_img_link(img)