Remoção de Marcas d’Água em Apresentações PPT com Python

import groupdocs.watermark as gw
import groupdocs.watermark.search.searchcriteria as gwss
import groupdocs.watermark.options.presentation as gwop

# Abra a apresentação
load_options = gwop.PresentationLoadOptions()
with gw.Watermarker("source.pptx", load_options) as watermarker:

    # Acesse o conteúdo do slide
    search_criteria = gwss.TextSearchCriteria("Lorem ipsum")

    # Remova a marca d'água de hyperlink
    watermarks = watermarker.search(search_criteria)

    for i in range(len(watermarks) - 1, -1, -1):
        if isinstance(watermarks[i], gws.HyperlinkPossibleWatermark):
            del watermarks[i]

    # Salve a apresentação
    watermarker.save("result.pptx");