You still have 404 errors trying to load files  indicating you are pointing to incorrect path which you need to resolve first:
GET https://fiddle.jshell.net/static/classifier.css net::ERR_ABORTED 404
fiddle.jshell.net/:330 GET https://fiddle.jshell.net/static/classifier.js net::ERR_ABORTED 404
fiddle.jshell.net/:296 GET https://fiddle.jshell.net/static/classifier.css net::ERR_ABORTED 404
fiddle.jshell.net/:330 GET https://fiddle.jshell.net/static/classifier.js net::ERR_ABORTED 404
platform_browser.js:28 GET https://fiddle.jshell.net/ef7dhrvm/show/model_v1/model.json 404
(anonymous) @ platform_browser.js:28
e @ platform_browser.js:27
(anonymous) @ http.js:146
u @ runtime.js:45
(anonymous) @ runtime.js:274
forEach.t.<computed> @ runtime.js:97
Wm @ runtime.js:728
o @ runtime.js:728
(anonymous) @ runtime.js:728
(anonymous) @ runtime.js:728
(anonymous) @ http.js:202
(anonymous) @ models.js:280
u @ runtime.js:45
(anonymous) @ runtime.js:274
forEach.t.<computed> @ runtime.js:97
Wm @ runtime.js:728
o @ runtime.js:728
(anonymous) @ runtime.js:728
(anonymous) @ runtime.js:728
iT @ models.js:328
aT @ models.js:269
(anonymous) @ models.js:256
u @ runtime.js:45
(anonymous) @ runtime.js:274
forEach.t.<computed> @ runtime.js:97
Wm @ runtime.js:728
o @ runtime.js:728
(anonymous) @ runtime.js:728
(anonymous) @ runtime.js:728
rT @ models.js:256
(anonymous) @ exports.js:235
t.loadLayersModel @ exports.js:237
initialize @ ?editor_console=:387
(anonymous) @ ?editor_console=:480
Show 4 more frames
http.js:149 Uncaught (in promise) Error: Request to model_v1/model.json failed with status code 404. Please verify this URL points to the model JSON of the model to load.
    at t.<anonymous> (http.js:149)
    at u (runtime.js:45)
    at Generator._invoke (runtime.js:274)
    at Generator.forEach.t.<computed> [as next] (runtime.js:97)
    at Wm (runtime.js:728)
    at o (runtime.js:728)