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/eliot/default.nix

@@ -0,0 +1,56 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, aiocontextvars
+, boltons
+, hypothesis
+, pyrsistent
+, pytest
+, setuptools
+, six
+, testtools
+, zope_interface
+}:
+
+buildPythonPackage rec {
+  pname = "eliot";
+  version = "1.14.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c2f099a3e8d5ecfc22745766e7cc664a48db64b6b89d986dff270491d8683149";
+  };
+
+  checkInputs = [
+    hypothesis
+    testtools
+    pytest
+   ];
+
+  propagatedBuildInputs = [
+    aiocontextvars
+    boltons
+    pyrsistent
+    setuptools
+    six
+    zope_interface
+  ];
+
+  pythonImportsCheck = [ "eliot" ];
+
+  # Tests run eliot-prettyprint in out/bin.
+  # test_parse_stream is broken, skip it.
+  checkPhase = ''
+    export PATH=$out/bin:$PATH
+    pytest -k 'not test_parse_stream'
+  '';
+
+  meta = with lib; {
+    homepage = "https://eliot.readthedocs.io";
+    description = "Logging library that tells you why it happened";
+    license = licenses.asl20;
+    maintainers = [ maintainers.dpausp ];
+  };
+}