Inky phat wormbook error

Installing fol. instructions buit I get an error by display.show():
Woah there, suitable gpiochip device not found!
/dev/gpiochip0 & 4: Permission denied

Is your user a member of the relevant OS group (probably gpio)? You can find out if you run id in a terminal.

Yes, the commande is now:
(pimoroni) gg@raspberrytest:~/Pimoroni/…/examples$ python name-badge.py -t “phat” -c “red” --name “Inigo Montoya”
Inky pHAT/wHAT: Hello… my name is:

Use Inky pHAT/wHAT as a personalised name badge!

Failed to detect an Inky board. Trying --type/–colour arguments instead…

Woah there, suitable gpiochip device not found!
⚠️ /dev/gpiochip0: Permission error!
⚠️ /dev/gpiochip4: Permission error!
(pimoroni) gg@raspberrytest:~/Pimoroni/…/examples$ groups gg
gg : gg users gpio