Engine stats - qwant images

Engine name	Scores	Result count	Response time	Reliability
qwant images				0

Errors and exceptions

Exception	json.decoder.JSONDecodeError	Percentage	60
Parameter	Expecting value
Filename	searx/engines/qwant.py:116
Function	response
Code	search_results = loads(resp.text)

Exception	AttributeError	Percentage	25
Filename	searx/engines/qwant.py:165
Function	response
Code	title = item.get('title', None)

Exception	searx.exceptions.SearxEngineAPIException	Percentage	15
Parameter	API error::unknown
Filename	searx/engines/qwant.py:129
Function	response
Code	raise SearxEngineAPIException('API error::' + msg)

**Version of SearXNG, commit number if you are using on master branch and stipulate if you forked SearXNG**
Repository: https://github.com/searxng/searxng
Branch: master
Version: 2023.5.6+0aade75e

**How did you install SearXNG?**

**What happened?**

**How To Reproduce**

**Expected behavior**

**Screenshots & Logs**

**Additional context**

**Technical report**

Error
  * Error: json.decoder.JSONDecodeError
  * Percentage: 60
  * Parameters: `('Expecting value',)`
  * File name: `searx/engines/qwant.py:116`
  * Function: `response`
  * Code: `search_results = loads(resp.text)`

Error
  * Error: AttributeError
  * Percentage: 25
  * Parameters: `()`
  * File name: `searx/engines/qwant.py:165`
  * Function: `response`
  * Code: `title = item.get('title', None)`

Error
  * Error: searx.exceptions.SearxEngineAPIException
  * Percentage: 15
  * Parameters: `('API error::unknown',)`
  * File name: `searx/engines/qwant.py:129`
  * Function: `response`
  * Code: `raise SearxEngineAPIException('API error::' + msg)`

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