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/expecttest/default.nix

@@ -0,0 +1,34 @@
+{ buildPythonPackage
+, fetchFromGitHub
+, hypothesis
+, lib
+, poetry
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "expecttest";
+  version = "0.1.3";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "ezyang";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-5CnpVFSbf3FcAa06Y7atG8sxu8uevpfrliB2HuVcrx0=";
+  };
+
+  buildInputs = [ poetry ];
+
+  checkInputs = [ hypothesis pytestCheckHook ];
+
+  pythonImportsCheck = [ "expecttest" ];
+
+  meta = {
+    maintainers = [ lib.maintainers.SomeoneSerge ];
+    license = lib.licenses.mit;
+    description = ''EZ Yang "golden" tests (testing against a reference implementation)'';
+    homepage = "https://github.com/ezyang/expecttest";
+    platforms = lib.platforms.unix;
+  };
+}