[fix] pep8, tests

searx/engines/bing_images.py

                     1: 'DEMOTE',
                     0: 'OFF'}
 
+
 # do search-request
 def request(query, params):
     offset = (params['pageno'] - 1) * 10 + 1

searx/engines/blekko_images.py

                     1: '',
                     0: '0'}
 
+
 # do search-request
 def request(query, params):
     c = (params['pageno'] - 1) * 48

searx/tests/engines/test_bing_images.py

         dicto = defaultdict(dict)
         dicto['pageno'] = 1
         dicto['language'] = 'fr_FR'
+        dicto['safesearch'] = 1
         params = bing_images.request(query, dicto)
         self.assertTrue('url' in params)
         self.assertTrue(query in params['url'])

searx/tests/engines/test_blekko_images.py

         query = 'test_query'
         dicto = defaultdict(dict)
         dicto['pageno'] = 0
+        dicto['safesearch'] = 1
         params = blekko_images.request(query, dicto)
         self.assertTrue('url' in params)
         self.assertTrue(query in params['url'])

searx/webapp.py

     Settings that are going to be saved as cookies."""
     lang = None
     image_proxy = request.cookies.get('image_proxy', settings['server'].get('image_proxy'))
-    try:
-        savesearch = int(request.cookies.get('savesearch', 1))
-    except ValueError:
-        savesearch = 1
 
     if request.cookies.get('language')\
        and request.cookies['language'] in (x[0] for x in language_codes):
             )
 
         resp.set_cookie('method', method, max_age=cookie_max_age)
-        
+
         resp.set_cookie('safesearch', safesearch, max_age=cookie_max_age)
 
         resp.set_cookie('image_proxy', image_proxy, max_age=cookie_max_age)