[fix] ddg engine: IndexError exception is raised on empty contend (#4843)
Sometimes (e.g. when ddg does not have a result item) there is no content and
the engine will fail with an IndexError:
- Error: IndexError
- Percentage: 10
- Parameters:
()
- File name:
searx/engines/duckduckgo.py:375
- Function:
response
- Code:
item["content"] = extract_text(eval_xpath(div_result, './/a[contains(@class, "result__snippet")]')[0])
Signed-off-by: Markus Heiser markus.heiser@darmarit.de