Issue when LOCAL_DOMAIN is different than WEB_DOMAIN

[clement-analogue]

When LOCAL_DOMAIN is different than WEB_DOMAIN on an instance, then, the error above happens.
To fix it, one need to substitute the LOCAL_DOMAIN by WEB_DOMAIN

Traceback (most recent call last):
  File "./t2m", line 267, in <module>
    parser.dispatch()
  File "/root/t2m/ve/local/lib/python2.7/site-packages/argh/helpers.py", line 55, in dispatch
    return dispatch(self, *args, **kwargs)
  File "/root/t2m/ve/local/lib/python2.7/site-packages/argh/dispatching.py", line 174, in dispatch
    for line in lines:
  File "/root/t2m/ve/local/lib/python2.7/site-packages/argh/dispatching.py", line 277, in _execute_command
    for line in result:
  File "/root/t2m/ve/local/lib/python2.7/site-packages/argh/dispatching.py", line 260, in _call
    result = function(*positional, **keywords)
  File "./t2m", line 197, in one
    db = forward(db, twitter_handle, mastodon_handle, debug=debug, number=number, only_mark_as_seen=only_mark_as_seen, retweets=retweets)
  File "./t2m", line 60, in forward
    ensure_client_existe_for_instance(instance)
  File "./t2m", line 47, in ensure_client_existe_for_instance
    api_base_url='https://%s' % instance,
  File "/root/t2m/ve/local/lib/python2.7/site-packages/mastodon/Mastodon.py", line 73, in create_app
    raise MastodonNetworkError("Could not complete request: %s" % e)
mastodon.Mastodon.MastodonNetworkError: Could not complete request: No JSON object could be decoded