[fix] style of stackexchange engine

searx/engines/stackexchange.py

@@ -23,26 +23,28 @@ paging = True
 pagesize = 10
 
 api_site = 'stackoverflow'
-api_sort= 'activity'
+api_sort = 'activity'
 api_order = 'desc'
 
 # https://api.stackexchange.com/docs/advanced-search
 search_api = 'https://api.stackexchange.com/2.3/search/advanced?'
 
+
 def request(query, params):
 
     args = urlencode({
-        'q' : query,
-        'page' : params['pageno'],
-        'pagesize' : pagesize,
-        'site' : api_site,
-        'sort' : api_sort,
-        'order': 'desc',
-        })
+        'q': query,
+        'page': params['pageno'],
+        'pagesize': pagesize,
+        'site': api_site,
+        'sort': api_sort,
+        'order': api_order,
+    })
     params['url'] = search_api + args
 
     return params
 
+
 def response(resp):
 
     results = []
@@ -58,7 +60,7 @@ def response(resp):
 
         results.append({
             'url': "https://%s.com/q/%s" % (api_site, result['question_id']),
-            'title':  html.unescape(result['title']),
+            'title': html.unescape(result['title']),
             'content': html.unescape(content),
         })