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/ev3dev2/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, python
+, pillow
+}:
+
+buildPythonPackage rec {
+  pname = "ev3dev2";
+  version = "2.1.0";
+
+  src = fetchFromGitHub {
+    owner = "ev3dev";
+    repo = "ev3dev-lang-python";
+    rev = version;
+    sha256 = "XxsiQs3k5xKb+3RewARbvBbxaztdvdq3w5ZMgTq+kRc=";
+    fetchSubmodules = true;
+  };
+
+  postPatch = ''
+    echo "${version}\n" > RELEASE-VERSION
+  '';
+
+  propagatedBuildInputs = [ pillow ];
+
+  checkPhase = ''
+    chmod -R g+rw ./tests/fake-sys/devices/**/*
+    ${python.interpreter} -W ignore::ResourceWarning tests/api_tests.py
+  '';
+
+  meta = with lib; {
+    description = "Python language bindings for ev3dev";
+    homepage = "https://github.com/ev3dev/ev3dev-lang-python";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ emilytrau ];
+  };
+}