diff --git a/pkgs/development/python-modules/python-hglib/default.nix b/pkgs/development/python-modules/python-hglib/default.nix
index 528316240c0a..8477de756358 100644
--- a/pkgs/development/python-modules/python-hglib/default.nix
+++ b/pkgs/development/python-modules/python-hglib/default.nix
@@ -1,9 +1,10 @@
 {
   lib,
   buildPythonPackage,
-  fetchPypi,
+  fetchzip,
   mercurial,
-  nose,
+  pytestCheckHook,
+  fetchpatch2,
 }:
 
 buildPythonPackage rec {
@@ -11,14 +12,28 @@ buildPythonPackage rec {
   version = "2.6.2";
   format = "setuptools";
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-sYvR7VPJDuV9VxTWata7crZOkw1K7KmDCJLAi7KNpgg=";
+  src = fetchzip {
+    url = "https://repo.mercurial-scm.org/python-hglib/archive/${version}.tar.gz";
+    hash = "sha256-UXersegqJ9VAxy4Kvpb2IiOJfQbWryeeaGvwiR4ncW8=";
   };
 
+  patches = [
+    (fetchpatch2 {
+      name = "remove-nose.patch";
+      excludes = [ "heptapod-ci.yml" ];
+      url = "https://repo.mercurial-scm.org/python-hglib/raw-rev/8341f2494b3f";
+      hash = "sha256-4gicVCAH94itxHY0l8ek0L/RVhUrw2lMbbnENbWrV6U=";
+    })
+    (fetchpatch2 {
+      name = "fix-tests.patch";
+      url = "https://repo.mercurial-scm.org/python-hglib/raw-rev/a2afbf236ca8";
+      hash = "sha256-T/yKJ8cMMOBVk24SXwyPOoD321S1fZEIunaPJAxI0KI=";
+    })
+  ];
+
   nativeCheckInputs = [
     mercurial
-    nose
+    pytestCheckHook
   ];
 
   preCheck = ''