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/manhole/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv
+, buildPythonPackage
+, fetchPypi
+, pytest
+, requests
+, process-tests
+}:
+
+buildPythonPackage rec {
+  pname = "manhole";
+  version = "1.8.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "bada20a25b547b395d472e2e08928f0437df26bbdbda4797c55863198e29a21f";
+  };
+
+  # test_help expects architecture-dependent Linux signal numbers.
+  #
+  # {test_locals,test_socket_path} fail to remove /tmp/manhole-socket
+  # on the x86_64-darwin builder.
+  #
+  # TODO: change this back to `doCheck = stdenv.isLinux` after
+  # https://github.com/ionelmc/python-manhole/issues/54 is fixed
+  doCheck = false;
+
+  checkInputs = [ pytest requests process-tests ];
+  checkPhase = ''
+    # Based on its tox.ini
+    export PYTHONUNBUFFERED=yes
+    export PYTHONPATH=.:tests:$PYTHONPATH
+
+    # The tests use manhole-cli
+    export PATH="$PATH:$out/bin"
+
+    # test_uwsgi fails with:
+    # http.client.RemoteDisconnected: Remote end closed connection without response
+    py.test -vv -k "not test_uwsgi"
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/ionelmc/python-manhole";
+    description = "Debugging manhole for Python applications";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ ivan ];
+  };
+}