colab -- opendelta_must_try.ipynb, HTTP Error 502: Bad Gateway

[csmust]

HTTPError                                 Traceback (most recent call last)
[<ipython-input-3-329ab0880ca3>](https://localhost:8080/#) in <cell line: 14>()
     12 from opendelta import AutoDeltaModel, AutoDeltaConfig
     13 # use existing delta models from DeltaCenter
---> 14 delta = AutoDeltaModel.from_finetuned("thunlp/Spelling_Correction_T5_LRAdapter_demo", backbone_model=t5)
     15 # freeze the whole backbone model except the delta models.
     16 delta.freeze_module()

10 frames
[/usr/lib/python3.9/urllib/request.py](https://localhost:8080/#) in http_error_default(self, req, fp, code, msg, hdrs)
    639 class HTTPDefaultErrorHandler(BaseHandler):
    640     def http_error_default(self, req, fp, code, msg, hdrs):
--> 641         raise HTTPError(req.full_url, code, msg, hdrs, fp)
    642 
    643 class HTTPRedirectHandler(BaseHandler):

HTTPError: HTTP Error 502: Bad Gateway