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/django-extensions/default.nix

@@ -0,0 +1,58 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, django
+, factory_boy
+, mock
+, pygments
+, pytest-django
+, pytestCheckHook
+, shortuuid
+, vobject
+, werkzeug
+}:
+
+buildPythonPackage rec {
+  pname = "django-extensions";
+  version = "3.1.5";
+
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-NAMa78KhAuoJfp0Cb0Codz84sRfRQ1JhSLNYRI4GBPM=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace "--cov=django_extensions --cov-report html --cov-report term" ""
+  '';
+
+  propagatedBuildInputs = [
+    django
+  ];
+
+  __darwinAllowLocalNetworking = true;
+
+  checkInputs = [
+    factory_boy
+    mock
+    pygments # not explicitly declared in setup.py, but some tests require it
+    pytest-django
+    pytestCheckHook
+    shortuuid
+    vobject
+    werkzeug
+  ];
+
+  disabledTestPaths = [
+    # requires network access
+    "tests/management/commands/test_pipchecker.py"
+  ];
+
+  meta = with lib; {
+    description = "A collection of custom extensions for the Django Framework";
+    homepage = "https://github.com/django-extensions/django-extensions";
+    license = licenses.mit;
+  };
+}