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/ring-doorbell/default.nix

@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, oauthlib
+, pytestCheckHook
+, pythonOlder
+, pytz
+, requests
+, requests-mock
+, requests-oauthlib
+}:
+
+buildPythonPackage rec {
+  pname = "ring-doorbell";
+  version = "0.7.2";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    pname = "ring_doorbell";
+    inherit version;
+    hash = "sha256-Cn6Cq/JwhoQ+s5wCefXfzOpnUf+EhWDmcVTKb7+k7ys=";
+  };
+
+  propagatedBuildInputs = [
+    oauthlib
+    pytz
+    requests
+    requests-oauthlib
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+    requests-mock
+  ];
+
+  pythonImportsCheck = [
+    "ring_doorbell"
+  ];
+
+  meta = with lib; {
+    description = "Python library to communicate with Ring Door Bell";
+    homepage = "https://github.com/tchellomello/python-ring-doorbell";
+    license = licenses.lgpl3Plus;
+    maintainers = with maintainers; [ graham33 ];
+  };
+}