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/wurlitzer/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, isPy27
+, mock
+, pytest
+, selectors2
+}:
+
+buildPythonPackage rec {
+  pname = "wurlitzer";
+  version = "3.0.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "36051ac530ddb461a86b6227c4b09d95f30a1d1043de2b4a592e97ae8a84fcdf";
+  };
+
+  propagatedBuildInputs = lib.optionals isPy27 [ selectors2 ];
+
+  checkInputs = [ mock pytest ];
+
+  checkPhase = ''
+    py.test test.py
+  '';
+
+  meta = {
+    description = "Capture C-level output in context managers";
+    homepage = "https://github.com/minrk/wurlitzer";
+    license = lib.licenses.mit;
+  };
+}