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/sshtunnel/default.nix

@@ -0,0 +1,33 @@
+{ lib, buildPythonPackage, fetchPypi
+, paramiko
+, pytestCheckHook
+, mock
+}:
+
+buildPythonPackage rec {
+  version = "0.4.0";
+  pname = "sshtunnel";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-58sOp3Tbgb+RhE2yLecqQKro97D5u5ug9mbUdO9r+fw=";
+  };
+
+  propagatedBuildInputs = [ paramiko ];
+
+  checkInputs = [ pytestCheckHook mock ];
+
+  # disable impure tests
+  disabledTests = [
+    "test_get_keys"
+    "connect_via_proxy"
+    "read_ssh_config"
+  ];
+
+  meta = with lib; {
+    description = "Pure python SSH tunnels";
+    homepage = "https://github.com/pahaz/sshtunnel";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jonringer ];
+  };
+}