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/tflearn/default.nix

@@ -0,0 +1,24 @@
+{ lib, fetchPypi, buildPythonPackage, pytest, scipy, h5py
+, pillow, tensorflow }:
+
+buildPythonPackage rec {
+  pname = "tflearn";
+  version = "0.5.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "818aa57667693810415dc203ba3f75f1541e931a8dc30b6e8b21563541a70388";
+  };
+
+  buildInputs = [ pytest ];
+
+  propagatedBuildInputs = [ scipy h5py pillow tensorflow ];
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Deep learning library featuring a higher-level API for TensorFlow";
+    homepage    = "https://github.com/tflearn/tflearn";
+    license     = licenses.mit;
+  };
+}