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/python2-modules/pytest-xdist/default.nix

@@ -0,0 +1,36 @@
+{ lib, fetchPypi, buildPythonPackage, execnet, pytest
+, setuptools-scm, pytest-forked, filelock, psutil, six, isPy3k }:
+
+buildPythonPackage rec {
+  pname = "pytest-xdist";
+  version = "1.34.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1vh4ps32lp5ignch5adbl3pgchvigdfmrl6qpmhxih54wa1qw3il";
+  };
+
+  nativeBuildInputs = [ setuptools-scm pytest ];
+  checkInputs = [ pytest filelock ];
+  propagatedBuildInputs = [ execnet pytest-forked psutil six ];
+
+  # Encountered a memory leak
+  # https://github.com/pytest-dev/pytest-xdist/issues/462
+  doCheck = !isPy3k;
+
+  checkPhase = ''
+    # Excluded tests access file system
+    py.test testing -k "not test_distribution_rsyncdirs_example \
+                    and not test_rsync_popen_with_path \
+                    and not test_popen_rsync_subdir \
+                    and not test_init_rsync_roots \
+                    and not test_rsyncignore"
+  '';
+
+  meta = with lib; {
+    description = "py.test xdist plugin for distributed testing and loop-on-failing modes";
+    homepage = "https://github.com/pytest-dev/pytest-xdist";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}