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/snakebite/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, tox
+, virtualenv
+, protobuf
+}:
+
+buildPythonPackage rec {
+  pname = "snakebite";
+  version = "2.11.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "085238b4944cb9c658ee62d5794de936ac3d0c337c504b2cc86424a205ae978a";
+  };
+
+  checkInputs = [
+    tox
+    virtualenv
+  ];
+
+  propagatedBuildInputs = [
+    protobuf
+  ];
+
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "'argparse'" ""
+  '';
+
+  # tests require hadoop hdfs
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Pure Python HDFS client";
+    homepage = "https://github.com/spotify/snakebite";
+    license = licenses.asl20;
+    maintainers = [ maintainers.costrouc ];
+  };
+}