I got a 400 error when running set_app_key in jupyterlab instead of codebook.
The key works well in codebook.
2022-12-12 13:27:20,774 P[19800] [MainThread 19804] Error on handshake url http://127.0.0.1:9060/api/handshake : EikonError(1, 'Status code 400: App key is incorrect') 2022-12-12 13:27:20,775 P[19800] [MainThread 19804] Error on handshake url http://127.0.0.1:9060/api/handshake : EikonError(1, 'Status code 400: App key is incorrect') 2022-12-12 13:27:20,776 P[19800] [MainThread 19804] Port number was not identified, cannot send any request