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/pyopnsense/default.nix

@@ -0,0 +1,45 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fixtures
+, mock
+, pbr
+, pytest-cov
+, pytestCheckHook
+, pythonOlder
+, requests
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "pyopnsense";
+  version = "0.3.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "06rssdb3zhccnm63z96mw5yd38d9i99fgigfcdxn9divalbbhp5a";
+  };
+
+  propagatedBuildInputs = [
+    pbr
+    six
+    requests
+  ];
+
+  checkInputs = [
+    fixtures
+    mock
+    pytest-cov
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "pyopnsense" ];
+
+  meta = with lib; {
+    description = "Python client for the OPNsense API";
+    homepage = "https://github.com/mtreinish/pyopnsense";
+    license = with licenses; [ gpl3Plus ];
+    maintainers = with maintainers; [ fab ];
+  };
+}