Moved everything to one file

__main__.py

@@ -1,7 +0,0 @@
-from scraper import Scraper, Category, Image
-import sys
-
-
-if __name__ == "__main__":
-    scraper = Scraper()
-    scraper.download(sys.argv[1])

scraper.py

@@ -1,10 +1,11 @@
 from bs4 import BeautifulSoup
-import requests
-import re
-from urllib.parse import urlunsplit
 from multiprocessing.dummy import Pool as ThreadPool
+from urllib.parse import urlunsplit
 import os
+import re
+import requests
 import shutil
+import sys
 
 
 DOMAIN = "4kwallpapers.com"
@@ -150,3 +151,8 @@ class Image(PageHandler):
         with requests.get(self.image_url, stream=True) as r:
             with open(os.path.join(dir_path, filename), "wb") as f:
                 shutil.copyfileobj(r.raw, f)
+
+
+if __name__ == "__main__":
+    scraper = Scraper()
+    scraper.download(sys.argv[1])