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/flask-sockets/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, flask
+, gevent
+, gevent-websocket
+}:
+
+buildPythonPackage rec {
+  pname = "Flask-Sockets";
+  version = "0.2.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "072927da8edca0e81e024f5787e643c87d80b351b714de95d723becb30e0643b";
+  };
+
+  propagatedBuildInputs = [
+    flask
+    gevent
+    gevent-websocket
+  ];
+
+  # upstream doesn't have any tests, single file
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "flask_sockets"
+  ];
+
+  meta = with lib; {
+    description = "Elegant WebSockets for your Flask apps";
+    homepage = "https://github.com/heroku-python/flask-sockets";
+    license = licenses.mit;
+    maintainers = [ maintainers.prusnak ];
+  };
+}