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/fluent-logger/default.nix

@@ -0,0 +1,33 @@
+{ lib, buildPythonPackage, fetchPypi, msgpack }:
+
+buildPythonPackage rec {
+  pname = "fluent-logger";
+  version = "0.10.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "678bda90c513ff0393964b64544ce41ef25669d2089ce6c3b63d9a18554b9bfa";
+  };
+
+  prePatch = ''
+    substituteInPlace setup.py \
+      --replace "msgpack<1.0.0" "msgpack"
+  '';
+
+  propagatedBuildInputs = [ msgpack ];
+
+  # Tests fail because absent in package
+  doCheck = false;
+  pythonImportsCheck = [
+    "fluent"
+    "fluent.event"
+    "fluent.handler"
+    "fluent.sender"
+  ];
+
+  meta = with lib; {
+    description = "A structured logger for Fluentd (Python)";
+    homepage = "https://github.com/fluent/fluent-logger-python";
+    license = licenses.asl20;
+  };
+}