diff --git a/tests/test_version_regex_no_rev.py b/tests/test_version_regex_no_rev.py
index fecd3fb..c370cba 100644
--- a/tests/test_version_regex_no_rev.py
+++ b/tests/test_version_regex_no_rev.py
@@ -1,13 +1,23 @@
 import subprocess
+from pathlib import Path
 
 import conftest
 
-from pathlib import Path
 from nix_update import main
 
+
 def test_main(helpers: conftest.Helpers) -> None:
     with helpers.testpkgs(init_git=True) as path:
-        main(["--file", str(path), "--commit", "net-news-wire", "--version-regex", "^mac-(\\d+\\.\\d+\\.\\d+)$"])
+        main(
+            [
+                "--file",
+                str(path),
+                "--commit",
+                "net-news-wire",
+                "--version-regex",
+                "^mac-(\\d+\\.\\d+\\.\\d+)$",
+            ]
+        )
         version = get_nix_value(path, "net-news-wire.version")
         src = get_nix_value(path, "net-news-wire.src")
         commit = subprocess.run(
@@ -22,6 +32,7 @@ def test_main(helpers: conftest.Helpers) -> None:
         assert version in commit
         assert "net-news-wire: 6.1.5 ->" in commit
 
+
 def get_nix_value(path: Path, key: str) -> str:
     return subprocess.run(
         [
diff --git a/tests/testpkgs/net-news-wire.nix b/tests/testpkgs/net-news-wire.nix
index 102a3b8..d9eaf4d 100644
--- a/tests/testpkgs/net-news-wire.nix
+++ b/tests/testpkgs/net-news-wire.nix
@@ -1,7 +1,6 @@
 {
   stdenvNoCC,
   fetchurl,
-  nix-update-script,
 }:
 
 stdenvNoCC.mkDerivation rec {