обработать элементы одного уровня вложенности при условие что у элементов нет родительного элемента язык python

имею такой код:

<section class="infosprod">


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<section class="desc">
    <h2><a href="/CANON-Eos-90D-Boitier-Nu-rCANON3616C003.html" class="title">CANON Eos 90D Boîtier Nu</a></h2>
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    <section class="stock">
<span class='dispo'>En stock</span> </section>
<section class="ajoutpanier" id="CANON3616C003">
    <span class="button">Ajouter au panier</span>
</section>
    <section class="infosprix">
    <span class="prix">1 299&euro;<sup>00</sup></span><span class="eco">Dont écotaxe : 0,15&euro;</span>    </section>
</section>

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    <section id="section_cashbackliste" style="">
    <a href="/CANON-Eos-6D-Mark-II-Boitier-Nu-rCANON1897C003.html#op" class="cashback2" title="">


        <span id="span_cashbackplus3liste" style="">
            Offre de remboursement CANON *          </span>
    </a>
</section>


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<section class="desc">
    <h2><a href="/CANON-Eos-6D-Mark-II-Boitier-Nu-rCANON1897C003.html" class="title">CANON Eos 6D Mark II Boitier Nu</a></h2>
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</section>
    <section class="moystars">
    <a href="/CANON-Eos-6D-Mark-II-Boitier-Nu-rCANON1897C003.html&tousavis"><span class="title">Moyenne des avis</span><img src='/images/structure/star.gif' alt='Etoile' width='16'/><img src='/images/structure/star.gif' alt='Etoile' width='16'/><img src='/images/structure/star.gif' alt='Etoile' width='16'/><img src='/images/structure/star.gif' alt='Etoile' width='16'/><img src='/images/structure/star.gif' alt='Etoile' width='16'/></a>  </section>
    <section class="stock">
<span class='dispo'>En stock</span> </section>
<section class="ajoutpanier" id="CANON1897C003">
    <span class="button">Ajouter au panier</span>
</section>
    <section class="infosprix">
    <span class="prix">1 499&euro;<sup>00</sup></span><span class="eco">Dont écotaxe : 0,15&euro;</span>    </section>
</section>

проблема в том что когда я пытаюсь пройтись по <section class="infosprod"> и использую такой код for prod in data.xpath("//section[@class='infosprod']"): оно всегда заходит только в первый блок. Как можно решить данную проблему, может кто знает?