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/stashy/default.nix

@@ -0,0 +1,31 @@
+{ lib
+, buildPythonPackage
+, decorator
+, fetchPypi
+, pythonOlder
+, requests
+ }:
+
+buildPythonPackage rec {
+  pname = "stashy";
+  version = "0.7";
+  disabled = pythonOlder "3.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1x89zazwxnsx6rdfw8nfr372hj4sk8nrcs5hsjxpcxcva0calrcr";
+  };
+
+  propagatedBuildInputs = [ decorator requests ];
+
+  # Tests require internet connection
+  doCheck = false;
+  pythonImportsCheck = [ "stashy" ];
+
+  meta = with lib; {
+    description = "Python client for the Atlassian Bitbucket Server (formerly known as Stash) REST API.";
+    homepage = "https://github.com/cosmin/stashy";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ mupdt ];
+  };
+}