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/hdfs/default.nix

@@ -0,0 +1,36 @@
+{ buildPythonPackage
+, docopt
+, fastavro
+, fetchFromGitHub
+, lib
+, nose
+, pytestCheckHook
+, requests
+, six
+}:
+
+buildPythonPackage rec {
+  pname = "hdfs";
+  # See https://github.com/mtth/hdfs/issues/176.
+  version = "2.5.8";
+
+  src = fetchFromGitHub {
+    owner = "mtth";
+    repo = pname;
+    rev = version;
+    hash = "sha256-94Q3IUoX1Cb+uRqvsfpVZJ1koJSx5cQ3/XpYJ0gkQNU=";
+  };
+
+  propagatedBuildInputs = [ docopt requests six ];
+
+  checkInputs = [ fastavro nose pytestCheckHook ];
+
+  pythonImportsCheck = [ "hdfs" ];
+
+  meta = with lib; {
+    description = "Python API and command line interface for HDFS";
+    homepage = "https://github.com/mtth/hdfs";
+    license = licenses.mit;
+    maintainers = with maintainers; [ samuela ];
+  };
+}