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-widget-tweaks/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+
+# native
+, setuptools-scm
+
+# propagated
+, django
+
+# tests
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "django-widget-tweaks";
+  version = "1.4.12";
+
+  src = fetchFromGitHub { # package from Pypi missing runtests.py
+    owner = "jazzband";
+    repo = pname;
+    rev = version;
+    sha256 = "1rhn2skx287k6nnkxlwvl9snbia6w6z4c2rqg22hwzbz5w05b24h";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    django
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -m django test --settings=tests.settings
+  '';
+
+  meta = with lib; {
+    description = "Tweak the form field rendering in templates, not in python-level form definitions.";
+    homepage = "https://github.com/jazzband/django-widget-tweaks";
+    license = licenses.mit;
+    maintainers = with maintainers; [
+      maxxk
+    ];
+  };
+}