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/easy-thumbnails/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, django
+, fetchPypi
+, pillow
+, pytestCheckHook
+, pythonOlder
+, reportlab
+, svglib
+}:
+
+buildPythonPackage rec {
+  pname = "easy-thumbnails";
+  version = "2.8.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1a283fe8a3569c3feab4605e8279929d75c85c1151b2fd627f95b1863b5fc6c2";
+  };
+
+  propagatedBuildInputs = [
+    django
+    pillow
+    svglib
+    reportlab
+  ];
+
+  # Tests require a Django instance which is setup
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "easy_thumbnails"
+  ];
+
+  meta = with lib; {
+    description = "Easy thumbnails for Django";
+    homepage = "https://github.com/SmileyChris/easy-thumbnails";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ ];
+  };
+}