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/ircstates/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pythonOlder
+, irctokens
+, pendulum
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "ircstates";
+  version = "0.11.8";
+  disabled = pythonOlder "3.6";  # f-strings
+
+  src = fetchFromGitHub {
+    owner = "jesopo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0scxqcgby4vzh2q937r0wy2mb46aghjf47q3z6fp6di1b6hlj7zh";
+  };
+
+  propagatedBuildInputs = [
+    irctokens
+    pendulum
+  ];
+
+  checkPhase = ''
+    ${python.interpreter} -m unittest test
+  '';
+
+  pythonImportsCheck = [ "ircstates" ];
+
+  meta = with lib; {
+    description = "sans-I/O IRC session state parsing library";
+    license = licenses.mit;
+    homepage = "https://github.com/jesopo/ircstates";
+    maintainers = with maintainers; [ hexa ];
+  };
+}