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/datrie/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cython
+, pytestCheckHook
+, hypothesis
+}:
+
+buildPythonPackage rec {
+  pname = "datrie";
+  version = "0.8.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-UlsI9jjVz2EV32zNgY5aASmM0jCy2skcj/LmSZ0Ydl0=";
+  };
+
+  nativeBuildInputs = [
+    cython
+  ];
+
+  buildInputs = [
+    hypothesis
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py --replace '"pytest-runner", ' ""
+  '';
+
+  pythonImportsCheck = [ "datrie" ];
+
+  meta = with lib; {
+    description = "Super-fast, efficiently stored Trie for Python";
+    homepage = "https://github.com/kmike/datrie";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ lewo ];
+  };
+}