diff --git a/conftest.py b/conftest.py
index b19110492..7dc10dfe6 100644
--- a/conftest.py
+++ b/conftest.py
@@ -3,6 +3,6 @@
 from extension_explorer.views import app as flask_app
 
 
-@pytest.fixture()
+@pytest.fixture
 def app():
     return flask_app
diff --git a/extension_explorer/views.py b/extension_explorer/views.py
index c16471d27..0db2d7138 100644
--- a/extension_explorer/views.py
+++ b/extension_explorer/views.py
@@ -30,7 +30,7 @@
 class Configuration(metaclass=MetaFlaskEnv):
     ENV_PREFIX = 'FLASK_'
     FREEZER_IGNORE_404_NOT_FOUND = True
-    FREEZER_STATIC_IGNORE = ['*.scss', 'LICENSE']
+    FREEZER_STATIC_IGNORE = ('*.scss', 'LICENSE')
 
 
 def get_locale():