make prestashop module 1.6 compatible with 1.7

make prestashop module 1.6 compatible with 1.7

Hello, need to make a simple prestashop module compatible to version 1.7.
It has been developed for version 1.6 but doesn't install on 1.7
The module has a single file. It downloads a csv file and imports
products to shop, it has no admin pages as it works in background

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Requirements

prestashop
php

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Skills Required

Prestashop Php