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/pushbullet/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, requests
+, websocket-client
+, python-magic
+, cryptography
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pushbullet.py";
+  version = "0.12.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "917883e1af4a0c979ce46076b391e0243eb8fe0a81c086544bcfa10f53e5ae64";
+  };
+
+  propagatedBuildInputs = [ cryptography requests websocket-client python-magic ];
+
+  preCheck = ''
+    export PUSHBULLET_API_KEY=""
+  '';
+  checkInputs = [ pytestCheckHook ];
+  disabledTests = [
+    "test_auth_fail"
+    "test_auth_success"
+    "test_decryption"
+  ];
+
+  meta = with lib; {
+    description = "A simple python client for pushbullet.com";
+    homepage = "https://github.com/randomchars/pushbullet.py";
+    license = licenses.mit;
+  };
+}