diff --git a/server/data_updates/00002_20160803-171643_validators.py b/server/data_updates/00002_20160803-171643_validators.py
deleted file mode 100644
index c349fc3f9..000000000
--- a/server/data_updates/00002_20160803-171643_validators.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# -*- coding: utf-8; -*-
-# This file is part of Superdesk.
-# For the full copyright and license information, please see the
-# AUTHORS and LICENSE files distributed with this source code, or
-# at https://www.sourcefabric.org/superdesk/license
-#
-# Author  : mugur
-# Creation: 2016-08-03 17:16
-
-from superdesk.commands.data_updates import BaseDataUpdate
-from apps.prepopulate.app_initialize import AppInitializeWithDataCommand
-
-
-class DataUpdate(BaseDataUpdate):
-
-    resource = "validators"
-
-    def forwards(self, mongodb_collection, mongodb_database):
-        AppInitializeWithDataCommand().run(entity_name="validators")
-
-    def backwards(self, mongodb_collection, mongodb_database):
-        pass
diff --git a/server/data_updates/00003_20160829-094134_validators.py b/server/data_updates/00003_20160829-094134_validators.py
deleted file mode 100644
index cc81c3794..000000000
--- a/server/data_updates/00003_20160829-094134_validators.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# -*- coding: utf-8; -*-
-# This file is part of Superdesk.
-# For the full copyright and license information, please see the
-# AUTHORS and LICENSE files distributed with this source code, or
-# at https://www.sourcefabric.org/superdesk/license
-#
-# Author  : petr
-# Creation: 2016-08-29 09:41
-
-from superdesk.commands.data_updates import BaseDataUpdate
-
-
-class DataUpdate(BaseDataUpdate):
-
-    resource = "validators"
-
-    def forwards(self, mongodb_collection, mongodb_database):
-        mongodb_collection.update_many(
-            {"_id": {"$in": ["publish_embedded_picture", "correct_embedded_picture"]}}, {"$set": {"embedded": True}}
-        )
-
-    def backwards(self, mongodb_collection, mongodb_database):
-        pass
diff --git a/server/data_updates/00004_20171026-103118_content_types.py b/server/data_updates/00004_20171026-103118_content_types.py
deleted file mode 100644
index c244d6a9c..000000000
--- a/server/data_updates/00004_20171026-103118_content_types.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# -*- coding: utf-8; -*-
-# This file is part of Superdesk.
-# For the full copyright and license information, please see the
-# AUTHORS and LICENSE files distributed with this source code, or
-# at https://www.sourcefabric.org/superdesk/license
-#
-# Author  : mugur
-# Creation: 2017-10-26 10:31
-
-from superdesk.commands.data_updates import BaseDataUpdate
-from superdesk import get_resource_service
-
-
-class DataUpdate(BaseDataUpdate):
-
-    resource = "content_types"
-
-    def forwards(self, mongodb_collection, mongodb_database):
-        content_types_service = get_resource_service("content_types")
-        for content_type in content_types_service.get(req=None, lookup=None):
-            content_types_service.patch(content_type["_id"], {})
-
-    def backwards(self, mongodb_collection, mongodb_database):
-        pass
diff --git a/server/data_updates/00005_20181114-090110_vocabularies.py b/server/data_updates/00005_20181114-090110_vocabularies.py
deleted file mode 100644
index 620a9c933..000000000
--- a/server/data_updates/00005_20181114-090110_vocabularies.py
+++ /dev/null
@@ -1,39 +0,0 @@
-# -*- coding: utf-8; -*-
-# This file is part of Superdesk.
-# For the full copyright and license information, please see the
-# AUTHORS and LICENSE files distributed with this source code, or
-# at https://www.sourcefabric.org/superdesk/license
-#
-# Creation: 2018-11-14 10:31
-
-from superdesk.commands.data_updates import BaseDataUpdate
-from superdesk import get_resource_service
-
-
-class DataUpdate(BaseDataUpdate):
-
-    resource = "vocabularies"
-
-    def forwards(self, mongodb_collection, mongodb_database):
-        vocabularies_service = get_resource_service("vocabularies")
-        for vocabulary in vocabularies_service.get(req=None, lookup=None):
-            if vocabulary.get("selection_type"):
-                continue
-            if vocabulary.get("single_value", False):
-                value = "single selection"
-            else:
-                value = "multi selection"
-            mongodb_collection.update(
-                {"_id": vocabulary["_id"]}, {"$set": {"selection_type": value}, "$unset": {"single_value": 1}}
-            )
-
-    def backwards(self, mongodb_collection, mongodb_database):
-        vocabularies_service = get_resource_service("vocabularies")
-        for vocabulary in vocabularies_service.get(req=None, lookup=None):
-            if vocabulary.get("selection_type") == "single selection":
-                value = True
-            else:
-                value = False
-            mongodb_collection.update(
-                {"_id": vocabulary["_id"]}, {"$set": {"single_value": value}, "$unset": {"selection_type": 1}}
-            )
diff --git a/server/gunicorn_config.py b/server/gunicorn_config.py
index 07dff6bbf..2b527aad7 100644
--- a/server/gunicorn_config.py
+++ b/server/gunicorn_config.py
@@ -7,5 +7,5 @@
 accesslog = "-"
 access_log_format = "%(m)s %(U)s status=%(s)s time=%(T)ss size=%(B)sb"
 
-reload = 'SUPERDESK_RELOAD' in os.environ
-timeout = int(os.environ.get('WEB_TIMEOUT', 30))
+reload = "SUPERDESK_RELOAD" in os.environ
+timeout = int(os.environ.get("WEB_TIMEOUT", 30))
diff --git a/server/macros/replace_words.py b/server/macros/replace_words.py
index 2df24ecfe..28246be2f 100644
--- a/server/macros/replace_words.py
+++ b/server/macros/replace_words.py
@@ -40,7 +40,7 @@ def repl(new, old):
                 return new.title()
             # it is more complex so try to match it
             else:
-                result = ''
+                result = ""
                 all_upper = True
                 for i, c in enumerate(old):
                     if i >= len(new):
@@ -52,20 +52,20 @@ def repl(new, old):
                         all_upper = False
                 # append any remaining characters from new
                 if all_upper:
-                    result += new[i + 1:].upper()
+                    result += new[i + 1 :].upper()
                 else:
-                    result += new[i + 1:].lower()
+                    result += new[i + 1 :].lower()
                 return result
 
     def do_find_replace(input_string, words_list):
         found_list = {}
         for word in words_list:
-            pattern = r'{}'.format(re.escape(word.get('existing', '')))
+            pattern = r"{}".format(re.escape(word.get("existing", "")))
 
             while re.search(pattern, input_string, flags=re.IGNORECASE):
                 # get the original string from the input
                 original = re.search(pattern, input_string, flags=re.IGNORECASE).group(0)
-                replacement = repl(word.get('replacement', ''), original)
+                replacement = repl(word.get("replacement", ""), original)
                 if found_list.get(original):
                     break
                 diff[original] = replacement
@@ -74,10 +74,10 @@ def do_find_replace(input_string, words_list):
 
         return input_string
 
-    vocab = get_resource_service('vocabularies').find_one(req=None, _id='replace_words')
+    vocab = get_resource_service("vocabularies").find_one(req=None, _id="replace_words")
 
     if vocab:
-        replace_words_list = vocab.get('items') or []
+        replace_words_list = vocab.get("items") or []
 
         if not replace_words_list:
             return item
@@ -91,10 +91,10 @@ def do_find_replace(input_string, words_list):
     return item
 
 
-name = 'Replace_Words'
-label = 'Replace words in the article'
+name = "Replace_Words"
+label = "Replace words in the article"
 order = 1
-shortcut = 'a'
+shortcut = "a"
 callback = find_and_replace
-access_type = 'frontend'
-action_type = 'direct'
+access_type = "frontend"
+action_type = "direct"