[fix] unused globals removed

searx/engines/bing.py

 
 
 def response(resp):
-    global base_url
     results = []
     dom = html.fromstring(resp.content)
     for result in dom.xpath('//div[@class="sa_cc"]'):

searx/engines/bing_news.py

 
 
 def response(resp):
-    global base_url
     results = []
     dom = html.fromstring(resp.content)
     for result in dom.xpath('//div[@class="sa_cc"]'):

searx/engines/currency_convert.py

 
 
 def response(resp):
-    global base_url
     results = []
     try:
         _, conversion_rate, _ = resp.text.split(',', 2)

searx/engines/deviantart.py

 
 
 def response(resp):
-    global base_url
     results = []
     if resp.status_code == 302:
         return results

searx/engines/github.py

 
 
 def request(query, params):
-    global search_url
     params['url'] = search_url.format(query=urlencode({'q': query}))
     params['headers']['Accept'] = accept_header
     return params

searx/engines/soundcloud.py

 
 
 def response(resp):
-    global base_url
     results = []
     search_res = loads(resp.text)
     for result in search_res.get('collection', []):

searx/engines/twitter.py

 
 
 def request(query, params):
-    global search_url
     params['url'] = search_url + urlencode({'q': query})
     return params
 
 
 def response(resp):
-    global base_url
     results = []
     dom = html.fromstring(resp.text)
     for tweet in dom.xpath('//li[@data-item-type="tweet"]'):