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/pyls-black/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, black
+, toml
+, pytestCheckHook
+, python-language-server
+, isPy3k
+}:
+
+buildPythonPackage rec {
+  pname = "pyls-black";
+  version = "0.4.7";
+
+  src = fetchFromGitHub {
+    owner = "rupert";
+    repo = "pyls-black";
+    rev = "v${version}";
+    sha256 = "0bkhfnlik89j3yamr20br4wm8975f20v33wabi2nyxvj10whr5dj";
+  };
+
+  disabled = !isPy3k;
+
+  checkInputs = [ pytestCheckHook ];
+
+  propagatedBuildInputs = [ black toml python-language-server ];
+
+  meta = with lib; {
+    homepage = "https://github.com/rupert/pyls-black";
+    description = "Black plugin for the Python Language Server";
+    license = licenses.mit;
+    maintainers = [ ];
+  };
+}