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/sievelib/default.nix

@@ -0,0 +1,49 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, mock
+, pytestCheckHook
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "sievelib";
+  version = "1.2.1";
+  format = "setuptools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-7cubQWqYWjzFt9f01+wBPjcuv5DmTJ2eAOIDEpmvOP0=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  checkInputs = [
+    mock
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "sievelib"
+  ];
+
+  meta = with lib; {
+    description = "Client-side Sieve and Managesieve library written in Python";
+    longDescription = ''
+      A library written in Python that implements RFC 5228 (Sieve: An Email
+      Filtering Language) and RFC 5804 (ManageSieve: A Protocol for
+      Remotely Managing Sieve Scripts), as well as the following extensions:
+
+       * Copying Without Side Effects (RFC 3894)
+       * Body (RFC 5173)
+       * Date and Index (RFC 5260)
+       * Vacation (RFC 5230)
+       * Imap4flags (RFC 5232)
+    '';
+    homepage = "https://github.com/tonioo/sievelib";
+    license = licenses.mit;
+    maintainers = with maintainers; [ leenaars ];
+  };
+}