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-simple-captcha/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, python
+, six
+, testfixtures
+, django
+, django-ranged-response
+, pillow
+, withTTS ? true
+, flite
+}:
+
+buildPythonPackage rec {
+  pname = "django-simple-captcha";
+  version = "0.5.14";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "84b5c188e6ae50e9ecec5e5d734c5bc4d2a50fbbca7f59d2c12da9a3bbee5051";
+    extension = "zip";
+  };
+
+  checkInputs = [ testfixtures ];
+  checkPhase = ''
+    cd testproject
+    ${python.interpreter} manage.py test captcha
+  '';
+
+  propagatedBuildInputs = [ django django-ranged-response six pillow ]
+  ++ lib.optional withTTS flite;
+
+  meta = with lib; {
+    description = "An extremely simple, yet highly customizable Django application to add captcha images to any Django form";
+    homepage = "https://github.com/mbi/django-simple-captcha";
+    license = licenses.mit;
+    maintainers = with maintainers; [ mrmebelman schmittlauch ];
+  };
+}