diff --git a/.gitmodules b/.gitmodules
index 61610061386a..ae36fe056e5f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "site/themes/docsy"]
 	path = site/themes/docsy
-	url = git@github.com:google/docsy.git
+	url = https://github.com/google/docsy
diff --git a/cvat/apps/iam/permissions.py b/cvat/apps/iam/permissions.py
index d8b0a434b4f9..b4e802378f96 100644
--- a/cvat/apps/iam/permissions.py
+++ b/cvat/apps/iam/permissions.py
@@ -149,8 +149,7 @@ def get_resource(self):
     def check_access(self) -> PermissionResult:
         with make_requests_session() as session:
             response = session.post(self.url, json=self.payload)
-            output = response.json()
-            output = output['result']
+            output = response.json()['result']
 
         allow = False
         reasons = []
diff --git a/cvat/apps/organizations/serializers.py b/cvat/apps/organizations/serializers.py
index 3a46b1576050..966c28c5fa1d 100644
--- a/cvat/apps/organizations/serializers.py
+++ b/cvat/apps/organizations/serializers.py
@@ -14,7 +14,7 @@
 from rest_framework import serializers
 from cvat.apps.engine.serializers import BasicUserSerializer
 from cvat.apps.iam.utils import get_dummy_user
-from .models import *
+from .models import Invitation, Membership, Organization
 
 class OrganizationReadSerializer(serializers.ModelSerializer):
     owner = BasicUserSerializer(allow_null=True)
diff --git a/cvat/apps/organizations/urls.py b/cvat/apps/organizations/urls.py
index 00f38b20aaf3..068f72b0968d 100644
--- a/cvat/apps/organizations/urls.py
+++ b/cvat/apps/organizations/urls.py
@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: MIT
 
 from rest_framework.routers import DefaultRouter
-from .views import *
+from .views import InvitationViewSet, MembershipViewSet, OrganizationViewSet
 
 router = DefaultRouter(trailing_slash=False)
 router.register('organizations', OrganizationViewSet)
diff --git a/cvat/apps/organizations/views.py b/cvat/apps/organizations/views.py
index 2b6e4e67e7d8..41be1fdf9d27 100644
--- a/cvat/apps/organizations/views.py
+++ b/cvat/apps/organizations/views.py
@@ -24,7 +24,11 @@
 from .models import Invitation, Membership, Organization
 
 import traceback
-from .serializers import *
+from .serializers import (
+    InvitationReadSerializer, InvitationWriteSerializer,
+    MembershipReadSerializer, MembershipWriteSerializer,
+    OrganizationReadSerializer, OrganizationWriteSerializer,
+    AcceptInvitationReadSerializer)
 
 @extend_schema(tags=['organizations'])
 @extend_schema_view(