diff --git a/capa/features/extractors/null.py b/capa/features/extractors/null.py
index d0b2ddf6..d5cf72ab 100644
--- a/capa/features/extractors/null.py
+++ b/capa/features/extractors/null.py
@@ -2,7 +2,7 @@ from typing import Dict, List, Tuple
 from dataclasses import dataclass
 
 from capa.features.common import Feature
-from capa.features.address import Address, NO_ADDRESS
+from capa.features.address import NO_ADDRESS, Address
 from capa.features.extractors.base_extractor import BBHandle, InsnHandle, FunctionHandle, FeatureExtractor
 
 
diff --git a/tests/test_freeze.py b/tests/test_freeze.py
index 49cfe6fe..d81ce303 100644
--- a/tests/test_freeze.py
+++ b/tests/test_freeze.py
@@ -156,7 +156,6 @@ def test_freeze_sample(tmpdir, z9324d_extractor):
     assert capa.features.freeze.main([path, o, "-v"]) == 0
 
 
-
 @pytest.mark.parametrize(
     "extractor",
     [