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/pyschedule/default.nix

@@ -0,0 +1,29 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pulp
+}:
+
+buildPythonPackage rec {
+  pname = "pyschedule";
+  version = "0.2.34";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "6bba9e9ea07906ce2dfe3cd847c1822b137f6b13e9f975c50b347312fd98e110";
+  };
+
+  propagatedBuildInputs = [
+    pulp
+  ];
+
+  # tests not included with pypi release (in examples)
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Formulate and solve resource-constrained scheduling problems";
+    homepage = "https://github.com/timnon/pyschedule";
+    license = licenses.asl20;
+    maintainers = [ maintainers.costrouc ];
+  };
+}