diff --git a/project/tests/utils.py b/project/tests/utils.py
index 974a06a..b74c7cb 100644
--- a/project/tests/utils.py
+++ b/project/tests/utils.py
@@ -1,3 +1,4 @@
+from contextlib import contextmanager
 from flask import url_for
 from flask.ext.testing import TestCase
 from project import create_app as app_factory
@@ -6,15 +7,11 @@
 from project.models import User
 
 
-class DisableCsrf:
-    def __init__(self, app):
-        self.app = app
-
-    def __enter__(self):
-        self.app.config['WTF_CSRF_ENABLED'] = False
-
-    def __exit__(self, exc_type, exc_val, exc_tb):
-        self.app.config['WTF_CSRF_ENABLED'] = True
+@contextmanager
+def disable_csrf(app):
+    app.config['WTF_CSRF_ENABLED'] = False
+    yield
+    app.config['WTF_CSRF_ENABLED'] = True
 
 
 class ProjectTestCase(TestCase):
@@ -25,7 +22,7 @@ def log_in(self):
         user = User.query.get(1)
         # assume that login is equal to password
         credentials = {"login": user.login, "password": user.login}
-        with DisableCsrf(self.app):
+        with disable_csrf(self.app):
             self.client.post(url_for("auth.login"), data=credentials)
 
     # noinspection PyAttributeOutsideInit