Graph is finalized and connot be modified issue

[Samery00]

Hello, I appreciate if you can help in the following issue, I am using the same logic (same code) to recommend movies, everything seems to be working except when am wanting the result, i got this runtime error " Graph is finalized and cannot be modified issue "
I think that the generator code part in buid_input_fn isn't working fine I hope if you have an explanation and a solution , i ll be really thankful