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/parsedatetime/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, future
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "parsedatetime";
+  version = "2.6";
+  disabled = isPy27; # no longer compatible with icu package
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "4cb368fbb18a0b7231f4d76119165451c8d2e35951455dfee97c62a87b04d455";
+  };
+
+  propagatedBuildInputs = [ future ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  pytestFlagsArray = [ "tests/Test*.py" ];
+
+  disabledTests = [
+    # https://github.com/bear/parsedatetime/issues/263
+    "testDate3ConfusedHourAndYear"
+    # https://github.com/bear/parsedatetime/issues/215
+    "testFloat"
+  ];
+
+  pythonImportsCheck = [ "parsedatetime" ];
+
+  meta = with lib; {
+    description = "Parse human-readable date/time text";
+    homepage = "https://github.com/bear/parsedatetime";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}