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/pymata-express/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pyserial
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pymata-express";
+  version = "1.21";
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "MrYsLab";
+    repo = pname;
+    rev = version;
+    sha256 = "1mibyn84kjahrv3kn51yl5mhkyig4piv6wanggzjflh5nm96bhy8";
+  };
+
+  propagatedBuildInputs = [
+    pyserial
+  ];
+
+  # Project has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "pymata_express" ];
+
+  meta = with lib; {
+    description = "Python Asyncio Arduino Firmata Client";
+    longDescription = ''
+      Pymata-Express is a Python Firmata Protocol client. When used in conjunction
+      with an Arduino Firmata sketch, it permits you to control and monitor Arduino
+      hardware remotely over a serial link.
+    '';
+    homepage = "https://mryslab.github.io/pymata-express/";
+    license = with licenses; [ agpl3Plus ];
+    maintainers = with maintainers; [ fab ];
+  };
+}