def instruction_sheet(foss, lang):
    file_path = settings.MEDIA_ROOT + 'videos/' + str(foss.id) + '/' + foss.foss.replace(' ', '-') + '-Instruction-Sheet-' + lang.name + '.pdf'
    if lang.name != 'English':
        if os.path.isfile(file_path):
            file_path = settings.MEDIA_URL + 'videos/' + str(foss.id) + '/' + foss.foss.replace(' ', '-') + '-Instruction-Sheet-' + lang.name + '.pdf'
            return file_path