Chemical segregation challlenge

there is error while training this.
here is the link to my code. I dont understand what is wrong
link- https://drive.google.com/open?id=1Jh-U2Z_Iw25aabSc-_a4WbKmKNF_Dnzq

Hey @shreyanarula3, since you are using vectorization, you need to proceed in a little different way,

Take this as a reference, and try to figure it out. If unable to do so than you may ask doubts.

HOpe this resolved your doubt.
Mark it as resolved as well. :blush:

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