[mod] qwant engine: fix typos / minor change

from urllib.parse import urlencode

from flask_babel import gettext

# from searx import logger

from searx.utils import match_language

from searx.exceptions import SearxEngineAPIException

from searx.network import raise_for_httperror

#logger = logger.getChild('qwant')

# about

about = {

                })

            elif mainline_type == 'videos':

                # some videos do not have a description: while quant-video

                # returns an empty string, such video from a quant-web query

                # some videos do not have a description: while qwant-video

                # returns an empty string, such video from a qwant-web query

                # miss the 'desc' key.

                content = item.get('desc', '')

                s, c = item.get('source',''), item.get('channel','')

                if content and (s or c):

                    content += " // "

                d, s, c = item.get('desc'), item.get('source'), item.get('channel')

                content_parts = []

                if d:

                    content_parts.append(d)

                if s:

                    content += "%s: %s " % (gettext("Source"), s)

                    content_parts.append("%s: %s " % (gettext("Source"), s))

                if c:

                        content += "//"

                if c:

                    content += " %s: %s " % (gettext("Channel"), c)

                    content_parts.append("%s: %s " % (gettext("Channel"), c))

                content = ' // '.join(content_parts)

                length = timedelta(seconds=item['duration'])

                pub_date = datetime.fromtimestamp(item['date'])

                thumbnail = item['thumbnail']