[format.python] disable py code formatting for some hunks of code

Disable the python code formatting from python-black, where the readability of
code suffers by formatting.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

searx/engines/archlinux.py

@@ -39,6 +39,7 @@ def locale_to_lang_code(locale):
 # wikis for some languages were moved off from the main site, we need to make
 # requests to correct URLs to be able to get results in those languages
 lang_urls = {
+    # fmt: off
     'all': {
         'base': 'https://wiki.archlinux.org',
         'search': '/index.php?title=Special:Search&offset={offset}&{query}'
@@ -63,6 +64,7 @@ lang_urls = {
         'base': 'http://archtr.org/wiki',
         'search': '/index.php?title=Özel:Ara&offset={offset}&{query}'
     }
+    # fmt: on
 }