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/launchpadlib/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+, httplib2
+, keyring
+, lazr-restfulclient
+, lazr-uri
+, setuptools
+, six
+, testresources
+, wadllib
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "launchpadlib";
+  version = "1.10.16";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0df4b13936f988afd0ee485f40fa6922eab783b48c38ca0108cb73c8788fca80";
+  };
+
+  propagatedBuildInputs = [
+    httplib2
+    keyring
+    lazr-restfulclient
+    lazr-uri
+    setuptools
+    six
+    testresources
+    wadllib
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  preCheck = ''
+    export HOME=$TMPDIR
+  '';
+
+  doCheck = isPy3k;
+
+  meta = with lib; {
+    description = "Script Launchpad through its web services interfaces. Officially supported";
+    homepage = "https://help.launchpad.net/API/launchpadlib";
+    license = licenses.lgpl3Only;
+    maintainers = [ maintainers.marsam ];
+  };
+}