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/pyudev/default.nix

@@ -0,0 +1,35 @@
+{ lib, fetchPypi, buildPythonPackage
+, six, udev, pytest, mock, hypothesis, docutils
+}:
+
+buildPythonPackage rec {
+  pname = "pyudev";
+  version = "0.23.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-Mq41hbMgpRvCg+CgQAD9iiVZnttEVB4vUDT2r+5dFcw=";
+  };
+
+  postPatch = ''
+    substituteInPlace src/pyudev/_ctypeslib/utils.py \
+      --replace "find_library(name)" "'${lib.getLib udev}/lib/libudev.so'"
+    '';
+
+  checkInputs = [ pytest mock hypothesis docutils ];
+  propagatedBuildInputs = [ six ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  # Bunch of failing tests
+  # https://github.com/pyudev/pyudev/issues/187
+  doCheck = false;
+
+  meta = {
+    homepage = "https://pyudev.readthedocs.org/";
+    description = "Pure Python libudev binding";
+    license = lib.licenses.lgpl21Plus;
+  };
+}