Steps to reproduce the bug:
1. Install PoS
2. Change the Shop type to "Bar/restaurant" (into its setting) then save
3. Go into the newly created "Bar" settings
4. Enable "Direct devices" (with any IP)
5. Open a session on Bar
6. Pick a table
7. Ignore the "Connection to the printer Failed" error
8. Take a coca
9. Click on the "Bill" button
10. On the Bill Printing screen, pick "Print"
Bug:
A traceback was raised
opw:2382350
closesodoo/odoo#62790
X-original-commit: 00ba9d2d244314ee09ffefb616f9bc3a26027092
Signed-off-by: Simon Goffin (sig) <sig@openerp.com>