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/pulp/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, fetchPypi
+, buildPythonPackage
+, pyparsing
+, amply
+}:
+
+buildPythonPackage rec {
+  pname = "PuLP";
+  version = "2.6.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "4b4f7e1e954453e1b233720be23aea2f10ff068a835ac10c090a93d8e2eb2e8d";
+  };
+
+  propagatedBuildInputs = [ pyparsing amply ];
+
+  # only one test that requires an extra
+  doCheck = false;
+  pythonImportsCheck = [ "pulp" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/coin-or/pulp";
+    description = "PuLP is an LP modeler written in python";
+    maintainers = with maintainers; [ teto ];
+    license = licenses.mit;
+  };
+}