inept fetcher: download fails

download.pin INEPT fetcher has been failing for several days with

    history = [resp for resp in gen] if allow_redirects else []       
     File "/usr/local/lib/python3.5/dist-packages/requests/sessions.py", line 140, in resolve_redirects       
       raise TooManyRedirects('Exceeded %s redirects.' % self.max_redirects, response=resp)       
   requests.exceptions.TooManyRedirects: Exceeded 30 redirects.