What I did: added import pytz
in db.py in the welcome application The error: <type 'exceptions.ImportError'> (ImportError("Cannot import module 'applications.welcome.modules.pytz'",), <traceback object at 0x7fc194275bd8> ) Environment: 2.16.1-stable+timestamp.2017.11.14.05.54.25 (Running on nginx/1.12.1, Python 2.7.14) fresh web2py installation on Ubuntu 17.10 using the script: setup-web2py-nginx-uwsgi-ubuntu.sh python version in terminal: Python 2.7.14 (default, Sep 23 2017, 22:06:14) [GCC 7.2.0] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> Any idea ? -- 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.