modifier la fonction public function import($from) par la suivante :

Poche.class.php

<?php
//...
    public function import($from)
    {
        set_time_limit(0);
        if ($from == 'pocket') {
            $this->importFromPocket();
        }
        else if ($from == 'readability') {
            $this->importFromReadability();
        }
        else if ($from == 'instapaper') {
            $this->importFromInstapaper();
        }
        set_time_limit(30);
    }