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/pathable/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+, poetry-core
+}:
+
+buildPythonPackage rec {
+  pname = "pathable";
+  version = "0.4.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "p1c2u";
+    repo = pname;
+    rev = version;
+    hash = "sha256-3qekweG+o7f6nm1cnCEHrWYn/fQ42GZrZkPwGbZcU38=";
+  };
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  postPatch = ''
+    sed -i "/--cov/d" pyproject.toml
+  '';
+
+  pythonImportsCheck = [
+    "pathable"
+  ];
+
+  meta = with lib; {
+    description = "Library for object-oriented paths";
+    homepage = "https://github.com/p1c2u/pathable";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ fab ];
+  };
+}