diff --git a/pkgs/development/python-modules/lazr/delegates.nix b/pkgs/development/python-modules/lazr-delegates/default.nix
similarity index 82%
rename from pkgs/development/python-modules/lazr/delegates.nix
rename to pkgs/development/python-modules/lazr-delegates/default.nix
index 22e8de879666..a2a922b8ddf2 100644
--- a/pkgs/development/python-modules/lazr/delegates.nix
+++ b/pkgs/development/python-modules/lazr-delegates/default.nix
@@ -18,9 +18,9 @@ buildPythonPackage rec {
     hash = "sha256-rs6yYW5Rtz8yf78SxOwrfXZwy4IL1eT2hRIV+3lsAtw=";
   };
 
-  nativeBuildInputs = [ setuptools ];
+  build-system = [ setuptools ];
 
-  propagatedBuildInputs = [ zope-interface ];
+  dependencies = [ zope-interface ];
 
   pythonImportsCheck = [ "lazr.delegates" ];
 
@@ -28,10 +28,10 @@ buildPythonPackage rec {
 
   pythonNamespaces = [ "lazr" ];
 
-  meta = with lib; {
+  meta = {
     description = "Easily write objects that delegate behavior";
     homepage = "https://launchpad.net/lazr.delegates";
     changelog = "https://git.launchpad.net/lazr.delegates/tree/NEWS.rst?h=${version}";
-    license = licenses.lgpl3Only;
+    license = lib.licenses.lgpl3Only;
   };
 }
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index abe85e67370d..6401fa0b5ef3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7151,7 +7151,7 @@ self: super: with self; {
 
   lazr-config = callPackage ../development/python-modules/lazr/config.nix { };
 
-  lazr-delegates = callPackage ../development/python-modules/lazr/delegates.nix { };
+  lazr-delegates = callPackage ../development/python-modules/lazr-delegates { };
 
   lazr-restfulclient = callPackage ../development/python-modules/lazr-restfulclient { };