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/chess/default.nix

@@ -0,0 +1,33 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "chess";
+  version = "1.9.1";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "niklasf";
+    repo = "python-${pname}";
+    rev = "refs/tags/v${version}";
+    sha256 = "sha256-sJ5mw9sQQn2IP7iDjYUGf6P3FqAbHJC1R4phnwVcNIM=";
+  };
+
+  pythonImportsCheck = [ "chess" ];
+
+  checkPhase = ''
+    ${python.interpreter} ./test.py -v
+  '';
+
+  meta = with lib; {
+    description = "A chess library for Python, with move generation, move validation, and support for common formats";
+    homepage = "https://github.com/niklasf/python-chess";
+    maintainers = with maintainers; [ smancill ];
+    license = licenses.gpl3Plus;
+  };
+}