Call_backs of Week 2

I have been trying to run call back in programming exercise but is showing error . Please help me out

Code Deleted by mentor 

ERROR-

Please help me out , it is showing : ‘myCallback’ object has no attribute ‘set_model’

Hey @Shreyansh_Dewangan,

I have deleted your code as it’s against our community guidelines. You can send me your notebook via DM so that i can check it.

Regards,
Jamal