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/envisage/default.nix

@@ -0,0 +1,58 @@
+{ lib
+, apptools
+, buildPythonPackage
+, fetchPypi
+, ipython
+, pytestCheckHook
+, pythonAtLeast
+, pythonOlder
+, setuptools
+, traits
+}:
+
+buildPythonPackage rec {
+  pname = "envisage";
+  version = "6.0.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "8864c29aa344f7ac26eeb94788798f2d0cc791dcf95c632da8d79ebc580e114c";
+  };
+
+  # for the optional dependency ipykernel, only versions < 6 are
+  # supported, so it's not included in the tests, and not propagated
+  propagatedBuildInputs = [
+    traits
+    apptools
+    setuptools
+  ];
+
+  preCheck = ''
+    export HOME=$PWD/HOME
+  '';
+
+  checkInputs = [
+    ipython
+    pytestCheckHook
+  ];
+
+  disabledTestPaths = lib.optionals (pythonAtLeast "3.10") [
+    # https://github.com/enthought/envisage/issues/455
+    "envisage/tests/test_egg_basket_plugin_manager.py"
+    "envisage/tests/test_egg_plugin_manager.py"
+  ];
+
+  pythonImportsCheck = [
+    "envisage"
+  ];
+
+  meta = with lib; {
+    description = "Framework for building applications whose functionalities can be extended by adding plug-ins";
+    homepage = "https://github.com/enthought/envisage";
+    license = licenses.bsdOriginal;
+    maintainers = with lib.maintainers; [ knedlsepp ];
+  };
+}