Stops mid download, invalid url.

[DOUBLEXX666]

Traceback (most recent call last):
File "C:\Python310\lib\threading.py", line 1016, in _bootstrap_inner
self.run()
File "C:\Python310\lib\threading.py", line 953, in run
self._target(*self._args, **self._kwargs)
File "C:\Users\user\Sankaku-Downloader-py\Sankaku.py", line 76, in download
Sankaku.download_post(posts[i],self.folder)
File "C:\Users\user\Sankaku-Downloader-py\Sankaku.py", line 35, in download_post
r = Sankaku.__session.get(post[POST_URL])
File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\requests\sessions.py", line 600, in get
return self.request("GET", url, **kwargs)
File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\requests\sessions.py", line 573, in request
prep = self.prepare_request(req)
File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\requests\sessions.py", line 484, in prepare_request
p.prepare(
File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\requests\models.py", line 368, in prepare
self.prepare_url(url, params)
File "C:\Users\user\AppData\Roaming\Python\Python310\site-packages\requests\models.py", line 439, in prepare_url
raise MissingSchema(
requests.exceptions.MissingSchema: Invalid URL 'None': No scheme supplied. Perhaps you meant http://None?