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/smpplib/default.nix

@@ -0,0 +1,29 @@
+{ buildPythonPackage, fetchPypi, lib, python, six, tox, mock, pytest }:
+
+buildPythonPackage rec {
+  pname = "smpplib";
+  version = "2.2.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c0b01947b47e404f42ccb59e906b6e4eb507963c971d59b44350db0f29c76166";
+  };
+
+  propagatedBuildInputs = [ six ];
+  checkInputs = [ tox mock pytest ];
+
+  checkPhase = ''
+    pytest
+  '';
+
+  postInstall = ''
+    rm -rf $out/${python.sitePackages}/tests
+  '';
+
+  meta = with lib; {
+    description = "SMPP library for Python";
+    homepage = "https://github.com/python-smpplib/python-smpplib";
+    license = licenses.lgpl3Plus;
+    maintainers = [ maintainers.globin ];
+  };
+}