diff --git a/pkgs/development/python-modules/audio-metadata/default.nix b/pkgs/development/python-modules/audio-metadata/default.nix
index fc3adf2534e7..d1d6de0bcba8 100644
--- a/pkgs/development/python-modules/audio-metadata/default.nix
+++ b/pkgs/development/python-modules/audio-metadata/default.nix
@@ -1,25 +1,50 @@
-{ lib, buildPythonPackage, fetchPypi
+{ lib
 , attrs
 , bidict
 , bitstruct
+, buildPythonPackage
+, fetchFromGitHub
+, fetchpatch
 , more-itertools
+, poetry-core
 , pprintpp
+, pythonOlder
+, pythonRelaxDepsHook
 , tbm-utils
 }:
 
 buildPythonPackage rec {
   pname = "audio-metadata";
   version = "0.11.1";
+  format = "pyproject";
 
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "9e7ba79d49cf048a911d5f7d55bb2715c10be5c127fe5db0987c5fe1aa7335eb";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "thebigmunch";
+    repo = pname;
+    rev = "refs/tags/${version}";
+    hash = "sha256-5ZX4HwbuB9ZmFfHuxaMCrn3R7/znuDsoyqqLql2Nizg=";
   };
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace "'attrs>=18.2,<19.4'" "'attrs'"
-  '';
+  patches = [
+    # Switch to poetry-core, https://github.com/thebigmunch/audio-metadata/pull/41
+    (fetchpatch {
+      name = "switch-to-poetry-core.patch";
+      url = "https://github.com/thebigmunch/audio-metadata/commit/dfe91a69ee37e9dcefb692165eb0f9cd36a7e5b8.patch";
+      hash = "sha256-ut3mqgZQu0YFbsTEA13Ch0+aSNl17ndMV0fuIu3n5tc=";
+    })
+  ];
+
+  pythonRelaxDeps = [
+    "attrs"
+    "more-itertools"
+  ];
+
+  nativeBuildInputs = [
+    poetry-core
+    pythonRelaxDepsHook
+  ];
 
   propagatedBuildInputs = [
     attrs
@@ -30,12 +55,17 @@ buildPythonPackage rec {
     tbm-utils
   ];
 
-  # No tests
+  # Tests require ward which is not ready to be used
   doCheck = false;
 
+  pythonImportsCheck = [
+    "audio_metadata"
+  ];
+
   meta = with lib; {
     homepage = "https://github.com/thebigmunch/audio-metadata";
     description = "A library for reading and, in the future, writing metadata from audio files";
+    changelog = "https://github.com/thebigmunch/audio-metadata/blob/${version}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ jakewaksbaum ];
   };
diff --git a/pkgs/development/python-modules/ward/default.nix b/pkgs/development/python-modules/ward/default.nix
new file mode 100644
index 000000000000..9d438d74258f
--- /dev/null
+++ b/pkgs/development/python-modules/ward/default.nix
@@ -0,0 +1,65 @@
+{ lib
+, buildPythonPackage
+, click
+, click-completion
+, click-default-group
+, cucumber-tag-expressions
+, fetchFromGitHub
+, pluggy
+, poetry-core
+, pprintpp
+, pythonOlder
+, pythonRelaxDepsHook
+, rich
+, tomli
+}:
+
+buildPythonPackage rec {
+  pname = "ward";
+  version = "0.67.0b0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "darrenburns";
+    repo = pname;
+    rev = "refs/tags/release%2F${version}";
+    hash = "sha256-4dEMEEPySezgw3dIcYMl56HrhyaYlql9JvtamOn7Y8g=";
+  };
+
+  pythonRelaxDeps = [
+    "rich"
+  ];
+
+  nativeBuildInputs = [
+    poetry-core
+    pythonRelaxDepsHook
+  ];
+
+  propagatedBuildInputs = [
+    click
+    rich
+    tomli
+    pprintpp
+    cucumber-tag-expressions
+    click-default-group
+    click-completion
+    pluggy
+  ];
+
+  # Fixture is missing. Looks like an issue with the import of the sample file
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "ward"
+  ];
+
+  meta = with lib; {
+    description = "Test framework for Python";
+    homepage = "https://github.com/darrenburns/ward";
+    changelog = "https://github.com/darrenburns/ward/releases/tag/release%2F${version}";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 48b188ddf43e..dcff126d93ab 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12058,6 +12058,8 @@ self: super: with self; {
 
   warcio = callPackage ../development/python-modules/warcio { };
 
+  ward = callPackage ../development/python-modules/ward { };
+
   warlock = callPackage ../development/python-modules/warlock { };
 
   warrant = callPackage ../development/python-modules/warrant { };