requests.exceptions.MissingSchema: Invalid URL 'None': No scheme supplied. Perhaps you meant https://None?

[lingshen233]

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ERROR - ViLT - Failed after 0:01:00!
Traceback (most recent calls WITHOUT Sacred internals):
File "C:\Users\qr\Downloads\ViLT-master\demo.py", line 233, in main
interface.launch(debug=True)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\gradio\interface.py", line 463, in launch
while not networking.url_ok(share_url):
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\gradio\networking.py", line 462, in url_ok
r = requests.head(url, timeout=3)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\api.py", line 100, in head
return request("head", url, **kwargs)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\api.py", line 59, in request
return session.request(method=method, url=url, **kwargs)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\sessions.py", line 575, in request
prep = self.prepare_request(req)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\sessions.py", line 486, in prepare_request
p.prepare(
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\models.py", line 368, in prepare
self.prepare_url(url, params)
File "C:\Users\qr\miniconda3\envs\label\lib\site-packages\requests\models.py", line 439, in prepare_url
raise MissingSchema(
requests.exceptions.MissingSchema: Invalid URL 'None': No scheme supplied. Perhaps you meant https://None?