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/pyannotate/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, six
+, mypy-extensions
+, typing
+, pytest
+}:
+
+buildPythonPackage rec {
+  version = "1.2.0";
+  pname = "pyannotate";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "16bm0mf7wxvy0lgmcs1p8n1ji8pnvj1jvj8zk3am70dkp825iv84";
+  };
+
+  checkInputs = [ pytest ];
+  propagatedBuildInputs = [ six mypy-extensions ]
+    ++ lib.optionals (pythonOlder "3.5") [ typing ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/dropbox/pyannotate";
+    description = "Auto-generate PEP-484 annotations";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}