diff --git a/src/strass/cspmailreports/tests.py b/src/strass/cspmailreports/tests.py
index 53a8247da5d271e1b14fdde6fdefffab6cf55922..f178678b9193f30bc4799f8eec02b871ec7a9a56 100644
--- a/src/strass/cspmailreports/tests.py
+++ b/src/strass/cspmailreports/tests.py
@@ -1,24 +1,24 @@
 import json
 import logging
 from typing import Dict
-from django.core import mail
 
-from django.test import override_settings
-from django.urls import reverse, reverse_lazy
+from django.core import mail
+from django.test import TestCase, override_settings
+from django.urls import reverse
+from django.urls import reverse_lazy
 
-from cspmailreports import apps
-from cspmailreports.conf import app_settings
-from strass_app.tests.test_base_test_case import TooledTestCase
+import cspmailreports.apps
+import cspmailreports.conf
 
 logger = logging.getLogger(__name__)
 
 
-class CSPTooledTestCase(TooledTestCase):
+class CSPTooledTestCase(TestCase):
     url = reverse_lazy('cspmailreports:csp-report')
 
     def setUp(self):
         super().setUp()
-        app_settings._reset_cache()
+        cspmailreports.conf.app_settings._reset_cache()
 
     @staticmethod
     def fake_report(referrer="http://127.0.0.1:8080") -> Dict:
@@ -77,7 +77,7 @@ class TestDOS(CSPTooledTestCase):
         mail_count = len(mail.outbox)
         self.client.defaults['REMOTE_ADDR'] = '1.2.3.4'
         # trigger dos
-        for i in range(app_settings.max_report_before_cooldown):
+        for i in range(cspmailreports.conf.app_settings.max_report_before_cooldown):
             self.assertIn(self.report().status_code, [200])
             mail_count += 1
         self.assertEqual(mail_count, len(mail.outbox))
@@ -118,8 +118,8 @@ class TestMailNoAdmin(CSPTooledTestCase):
 )
 class TestCheck1(CSPTooledTestCase):
     def test_it(self):
-        app_settings._reset_cache()
-        self.assertEqual(len(apps.check_settings(None)), 1)
+        cspmailreports.conf.app_settings._reset_cache()
+        self.assertEqual(len(cspmailreports.apps.check_settings(None)), 1)
 
 
 @override_settings(
@@ -127,8 +127,8 @@ class TestCheck1(CSPTooledTestCase):
 )
 class TestCheck2(CSPTooledTestCase):
     def test_it(self):
-        app_settings._reset_cache()
-        self.assertEqual(len(apps.check_settings(None)), 1)
+        cspmailreports.conf.app_settings._reset_cache()
+        self.assertEqual(len(cspmailreports.apps.check_settings(None)), 1)
 
 
 @override_settings(
@@ -137,5 +137,5 @@ class TestCheck2(CSPTooledTestCase):
 )
 class TestCheckAll(CSPTooledTestCase):
     def test_it(self):
-        app_settings._reset_cache()
-        self.assertEqual(len(apps.check_settings(None)), 2)
+        cspmailreports.conf.app_settings._reset_cache()
+        self.assertEqual(len(cspmailreports.apps.check_settings(None)), 2)
diff --git a/src/strass/cspmailreports/urls.py b/src/strass/cspmailreports/urls.py
index fc0d22d09d32ffaa20853d184051a41610c6ba85..5c0ab9d08a19b2cae922b3b8071907246bf5a456 100644
--- a/src/strass/cspmailreports/urls.py
+++ b/src/strass/cspmailreports/urls.py
@@ -1,8 +1,8 @@
 from django.urls import re_path
 
-from views import report_csp
+import cspmailreports.views
 
 app_name = 'cspmailreports'
 urlpatterns = [
-    re_path(r'^report/$', report_csp, name='csp-report'),
+    re_path(r'^report/$', cspmailreports.views.report_csp, name='csp-report'),
 ]
diff --git a/src/strass/cspmailreports/views.py b/src/strass/cspmailreports/views.py
index aee1b138a8483057b68315295bd5cf4f9a50efad..4acfa6c605f43487cfeca5d30793bcd6c1ab42f6 100644
--- a/src/strass/cspmailreports/views.py
+++ b/src/strass/cspmailreports/views.py
@@ -5,8 +5,8 @@ from django.http import HttpResponse
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_POST
 
-from cspmailreports import utils
-from cspmailreports.conf import app_settings
+import cspmailreports.conf
+import cspmailreports.utils
 
 logger = logging.getLogger(__name__)
 
@@ -16,10 +16,10 @@ logger = logging.getLogger(__name__)
 def report_csp(request):
     if request.content_type != 'application/csp-report':
         return HttpResponse(status=415)
-    if utils.is_flagged_as_dos(request):
-        return HttpResponse(status=429, headers=[("Retry-After", app_settings.dos_cooldown)])
-    report = utils.create_report(request)
-    if app_settings.print_in_log:
+    if cspmailreports.utils.is_flagged_as_dos(request):
+        return HttpResponse(status=429, headers=[("Retry-After", cspmailreports.conf.app_settings.dos_cooldown)])
+    report = cspmailreports.utils.create_report(request)
+    if cspmailreports.conf.app_settings.print_in_log:
         logger.warning(f'CSP violation report:\n{report}')
     mail_admins("CSP violation report", report)
     return HttpResponse()