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/txaio/default.nix

@@ -0,0 +1,53 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, mock
+, pytest-asyncio
+, pytestCheckHook
+, pythonOlder
+, twisted
+, zope_interface
+}:
+
+buildPythonPackage rec {
+  pname = "txaio";
+  version = "22.2.1";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-LkWCtw8EsjRZCCVGhKmEIGwNm1DjB0okpMVauiHSTQE=";
+  };
+
+  propagatedBuildInputs = [
+    twisted
+    zope_interface
+  ];
+
+  checkInputs = [
+    mock
+    pytest-asyncio
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # No real value
+    "test_sdist"
+    # Some tests seems out-dated and require additional data
+    "test_as_future"
+    "test_errback"
+    "test_create_future"
+    "test_callback"
+    "test_immediate_result"
+    "test_cancel"
+  ];
+
+  pythonImportsCheck = [ "txaio" ];
+
+  meta = with lib; {
+    description = "Utilities to support code that runs unmodified on Twisted and asyncio";
+    homepage = "https://github.com/crossbario/txaio";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}