diff --git a/searx/engines/google_images.py b/searx/engines/google_images.py
index eab0fba0..b687317c 100644
--- a/searx/engines/google_images.py
+++ b/searx/engines/google_images.py
@@ -31,6 +31,7 @@ time_range_dict = {'day': 'd',
                    'week': 'w',
                    'month': 'm'}
 
+
 # do search-request
 def request(query, params):
     offset = (params['pageno'] - 1) * 100
diff --git a/searx/engines/yahoo.py b/searx/engines/yahoo.py
index 2334614c..82f782b9 100644
--- a/searx/engines/yahoo.py
+++ b/searx/engines/yahoo.py
@@ -38,6 +38,7 @@ time_range_dict = {'day': ['1d', 'd'],
                    'week': ['1w', 'w'],
                    'month': ['1m', 'm']}
 
+
 # remove yahoo-specific tracking-url
 def parse_url(url_string):
     endings = ['/RS', '/RK']