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/halo/default.nix

@@ -0,0 +1,33 @@
+{ buildPythonPackage
+, colorama
+, fetchPypi
+, isPy27
+, lib
+, log-symbols
+, six
+, spinners
+, termcolor }:
+
+buildPythonPackage rec {
+  pname = "halo";
+  version = "0.0.31";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1mn97h370ggbc9vi6x8r6akd5q8i512y6kid2nvm67g93r9a6rvv";
+  };
+
+  propagatedBuildInputs = [ colorama log-symbols termcolor six spinners ];
+
+  # Tests are not included in the PyPI distribution and the git repo does not have tagged releases
+  doCheck = false;
+  pythonImportsCheck = [ "halo" ];
+
+  meta = with lib; {
+    description = "Beautiful Spinners for Terminal, IPython and Jupyter.";
+    homepage = "https://github.com/manrajgrover/halo";
+    license = licenses.mit;
+    maintainers = with maintainers; [ urbas ];
+  };
+}