Avoid deprecation warning from third party module

Fixes #31391

python/plugins/MetaSearch/util.py

@@ -26,13 +26,17 @@
 
 from gettext import gettext, ngettext
 import logging
+import warnings
 import os
 import codecs
 import webbrowser
 from xml.dom.minidom import parseString
 import xml.etree.ElementTree as etree
 
-from jinja2 import Environment, FileSystemLoader
+with warnings.catch_warnings():
+    warnings.filterwarnings("ignore", category=DeprecationWarning)
+    from jinja2 import Environment, FileSystemLoader
+
 from pygments import highlight
 from pygments.lexers import XmlLexer
 from pygments.formatters import HtmlFormatter