End of my Wits! Authentication help plz

Noob here. Class going over Authentication with jwt but I keep getting this error. Any tips would help thanks :)https://preview.redd.it/8wrp0f11k9w41.png?width=529&format=png&auto=webp&s=f509f727b2f56524621121cee0fdcd007a78163c

Submitted May 02, 2020 at 03:34AM by fortymilefox