def organisation_logo_path(feature, parent):
    """Retrieve the full path of used specified organisation logo."""
    _ = feature, parent  # NOQA
    organisation_logo_file = setting(
        inasafe_organisation_logo_path['setting_key'])
    if os.path.exists(organisation_logo_file):
        return organisation_logo_file
    else:
        LOGGER.info(
            'The custom organisation logo is not found in {logo_path}. '
            'Default organisation logo will be used.').format(
            logo_path=organisation_logo_file)
        return inasafe_default_settings['organisation_logo_path']
Retrieve the full path of used specified organisation logo.