diff --git a/admin/config.py b/admin/config.py
index 8e07f29..8761cd8 100644
--- a/admin/config.py
+++ b/admin/config.py
@@ -1,5 +1,5 @@
 import yaml
 
 
-with open('admin/config.yml') as config_file:
-    configuration = yaml.load(config_file)
+with open('/etc/searx-admin/config.yml') as config_file:
+    configuration = yaml.safe_load(config_file)
diff --git a/admin/reference_settings.yml b/admin/reference_settings.yml
index 9e09baf..202fffb 100644
--- a/admin/reference_settings.yml
+++ b/admin/reference_settings.yml
@@ -188,9 +188,9 @@ engines:
 #    shortcut : fa
 #    api_key : 'apikey' # required!
 
-  - name : 500px
-    engine : www500px
-    shortcut : px
+#  - name : 500px
+#    engine : www500px
+#    shortcut : px
 
   - name : 1x
     engine : www1x
@@ -505,13 +505,13 @@ engines:
     shortcut : se
     categories : science
 
-  - name : spotify
-    engine : spotify
-    shortcut : stf
+#  - name : spotify
+#    engine : spotify
+#    shortcut : stf
 
-  - name : subtitleseeker
-    engine : subtitleseeker
-    shortcut : ss
+#  - name : subtitleseeker
+#    engine : subtitleseeker
+#    shortcut : ss
 # The language is an option. You can put any language written in english
 # Examples : English, French, German, Hungarian, Chinese...
 #    language : English
@@ -530,10 +530,10 @@ engines:
     timeout : 6.0
     disabled : True
 
-  - name : swisscows
-    engine : swisscows
-    shortcut : sw
-    disabled : True
+#  - name : swisscows
+#    engine : swisscows
+#    shortcut : sw
+#    disabled : True
 
   - name : tokyotoshokan
     engine : tokyotoshokan
diff --git a/admin/searx_manager.py b/admin/searx_manager.py
index c845374..6a4b353 100644
--- a/admin/searx_manager.py
+++ b/admin/searx_manager.py
@@ -56,28 +56,28 @@ class Searx(object):
     safe_search_options = [('0', 'None'),
                            ('1', 'Moderate'),
                            ('2', 'Strict')]
-    autocomplete_options = zip(list(autocomplete.backends.keys()) + [''],
-                               list(autocomplete.backends.keys()) + ['-'])
+    autocomplete_options = list(zip(list(autocomplete.backends.keys()) + [''],
+                               list(autocomplete.backends.keys()) + ['-']))
 
     def __init__(self, root, uwsgi_extra_args):
         self.root_folder = root
         self.uwsgi_extra_args = uwsgi_extra_args
         with open(REFERENCE_SETTINGS_PATH) as config_file:
             config = config_file.read()
-            self.settings = yaml.load(config)
+            self.settings = yaml.safe_load(config)
             self.engines = load_engines(self.settings['engines'])
             if isfile(EDITABLE_SETTINGS_PATH):
                 with open(EDITABLE_SETTINGS_PATH) as config_file2:
-                    self._merge_settings(yaml.load(config_file2.read()))
+                    self._merge_settings(yaml.safe_load(config_file2.read()))
             else:
                 with open(EDITABLE_SETTINGS_PATH, 'w') as outfile:
                     outfile.write(config)
 
     def _merge_settings(self, new_settings):
-        for k, s in new_settings.items():
+        for k, s in list(new_settings.items()):
             if k == 'engines':
                 continue
-            for kk, c in s.items():
+            for kk, c in list(s.items()):
                 self.settings[k][kk] = c
 
         editable_engines = {e['name']: e for e in new_settings['engines']}
@@ -93,7 +93,7 @@ def _save(self, new_settings):
                 try:
                     new_val = val_type(new_val)
                 except:
-                    print("Failed to parse settings attribute", section, '->', val_name)
+                    print(("Failed to parse settings attribute", section, '->', val_name))
                     continue
             self.settings[new_settings['section']][key] = new_val
 
@@ -176,7 +176,7 @@ def update(self):
                 with open(REFERENCE_SETTINGS_PATH, 'w') as outfile:
                     outfile.write(new_reference_settings.encode('utf-8'))
         except Exception as e:
-            print('Failed to fetch new references settings.yml', e)
+            print(('Failed to fetch new references settings.yml', e))
 
         self.reload()
 
diff --git a/admin/webapp.py b/admin/webapp.py
index 5d28a76..d531164 100644
--- a/admin/webapp.py
+++ b/admin/webapp.py
@@ -85,7 +85,7 @@ def search():
 
 def _setup_locales_to_display():
     locales = []
-    for key, val in instance.settings['locales'].items():
+    for key, val in list(instance.settings['locales'].items()):
         locales.append((key, val))
         locales.append(('', 'Default'))
     return locales
@@ -126,14 +126,14 @@ def edit_engine(engine_name):
             continue
         attr_value = getattr(engine, attr)
         attr_type = type(attr_value)
-        if attr_type not in (str, int, float, bool, unicode):
+        if attr_type not in (str, int, float, bool, str):
             continue
         if request.method == 'POST':
             try:
                 attr_value = attr_type(request.form[attr])
                 setattr(engine, attr, attr_value)
             except:
-                print("attr not found or type mismatched", attr, attr_type, request.form.get(attr))
+                print(("attr not found or type mismatched", attr, attr_type, request.form.get(attr)))
         attrs.append((attr, attr_value, type_map[attr_type]))
     if request.method == 'POST':
         instance.save_settings({'section': 'engine', 'engine': engine})