uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/matchpy/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, hopcroftkarp
+, multiset
+, pytestCheckHook
+, hypothesis
+, setuptools-scm
+, isPy27
+}:
+
+buildPythonPackage rec {
+  pname = "matchpy";
+  version = "0.5.5"; # Don't upgrade to 4.3.1, this tag is very old
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "HPAC";
+    repo = pname;
+    rev = version;
+    hash = "sha256-n5rXIjqVQZzEbfIZVQiGLh2PR1DHAJ9gumcrbvwnasA=";
+  };
+
+  postPatch = ''
+    sed -i '/pytest-runner/d' setup.cfg
+
+    substituteInPlace setup.cfg \
+      --replace "multiset>=2.0,<3.0" "multiset"
+  '';
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    hopcroftkarp
+    multiset
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    hypothesis
+  ];
+
+  pythonImportsCheck = [
+    "matchpy"
+  ];
+
+  meta = with lib; {
+    description = "A library for pattern matching on symbolic expressions";
+    homepage = "https://github.com/HPAC/matchpy";
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}