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/pyipp/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, aiohttp
+, aresponses
+, buildPythonPackage
+, deepmerge
+, fetchFromGitHub
+, pytest-asyncio
+, pytestCheckHook
+, pytest-cov
+, yarl
+}:
+
+buildPythonPackage rec {
+  pname = "pyipp";
+  version = "0.11.0";
+
+  src = fetchFromGitHub {
+   owner = "ctalkington";
+   repo = "python-ipp";
+   rev = version;
+   sha256 = "0ar3mkyfa9qi3av3885bvacpwlxh420if9ymdj8i4x06ymzc213d";
+  };
+
+  propagatedBuildInputs = [
+    aiohttp
+    deepmerge
+    yarl
+  ];
+
+  checkInputs = [
+    aresponses
+    pytest-asyncio
+    pytest-cov
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "pyipp" ];
+
+  meta = with lib; {
+    description = "Asynchronous Python client for Internet Printing Protocol (IPP)";
+    homepage = "https://github.com/ctalkington/python-ipp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ hexa ];
+  };
+}