Answer to myself: Maybe solution to problem1 of this issue is the key : https://github.com/web2py/web2py/issues/1696
El miércoles, 1 de noviembre de 2017, 9:17:45 (UTC-3), Omicron VT escribió: > > I have been using websocket_messaging.py without problems in version > 2.14.6. After upgrading to 2.15.4 i can not start websocket_messaging > anymore, iget this error : > ImportError: No module named gluon.utils > > Any help ? Thanks > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.