1 files changed, 3 insertions, 4 deletions
diff --git a/pkgs/development/python-modules/pytest-pep257/default.nix b/pkgs/development/python-modules/pytest-pep257/default.nix
index 1509d80feb1aa..0ff8890a6fbd0 100644
--- a/pkgs/development/python-modules/pytest-pep257/default.nix
+++ b/pkgs/development/python-modules/pytest-pep257/default.nix
@@ -1,12 +1,11 @@
-{ stdenv, buildPythonPackage, fetchurl, pytest, pep257 }:
+{ stdenv, buildPythonPackage, fetchPypi, pytest, pep257 }:
 
 buildPythonPackage rec {
   pname = "pytest-pep257";
-  name = "${pname}-${version}";
   version = "0.0.5";
 
-  src = fetchurl {
-    url = "mirror://pypi/p/pytest-pep257/${name}.tar.gz";
+  src = fetchPypi {
+    inherit pname version;
     sha256 = "082v3d5k4331x53za51kl8zxsndsw1pcyf1xdfpb2gjdjrhixb8w";
   };