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/transmission-rpc/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, six
+, typing-extensions
+, requests
+, yarl
+, pythonOlder
+, fetchFromGitHub
+, poetry-core
+}:
+
+buildPythonPackage rec {
+  pname = "transmission-rpc";
+  version = "3.3.0";
+  disabled = pythonOlder "3.6";
+
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "Trim21";
+    repo = "transmission-rpc";
+    rev = "v${version}";
+    sha256 = "sha256-Ys9trQMCHqxBSaTobWt8WZwi1F8HKTUKaIxvyo6ZPP0=";
+  };
+
+  # remove once upstream has tagged version with dumped typing-extensions
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace 'typing_extensions = ">=3.7.4.2,<4.0.0.0"' 'typing_extensions = "*"'
+  '';
+
+  nativeBuildInputs = [
+    poetry-core
+  ];
+
+  propagatedBuildInputs = [
+    six
+    typing-extensions
+    requests
+    yarl
+  ];
+
+  # no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "transmission_rpc" ];
+
+  meta = with lib; {
+    description = "Python module that implements the Transmission bittorent client RPC protocol";
+    homepage = "https://github.com/Trim21/transmission-rpc";
+    license = licenses.mit;
+    maintainers = with maintainers; [ eyjhb ];
+  };
+}