diff --git a/pkgs/development/python-modules/aiotools/default.nix b/pkgs/development/python-modules/aiotools/default.nix
index b714f2767cb7..148d515c7bcb 100644
--- a/pkgs/development/python-modules/aiotools/default.nix
+++ b/pkgs/development/python-modules/aiotools/default.nix
@@ -21,9 +21,7 @@ buildPythonPackage (finalAttrs: {
     hash = "sha256-oBguMNOj3n9yq6La1WiZTZUmpDTu6zuVj87cQsX7Fk8=";
   };
 
-  build-system = [
-    setuptools-scm
-  ];
+  build-system = [ setuptools-scm ];
 
   dependencies = [
     async-lru