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/trackpy/default.nix

@@ -0,0 +1,54 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, numpy
+, scipy
+, six
+, pandas
+, pyyaml
+, matplotlib
+, numba
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "trackpy";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "soft-matter";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "0if069f4sjyjl7wvzyzk8k9q9qjixswcc6aszrrgfb4a4mix3h1g";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+    six
+    pandas
+    pyyaml
+    matplotlib
+    numba
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  preCheck = lib.optionalString stdenv.isDarwin ''
+    # specifically needed for darwin
+    export HOME=$(mktemp -d)
+    mkdir -p $HOME/.matplotlib
+    echo "backend: ps" > $HOME/.matplotlib/matplotlibrc
+  '';
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64);
+    description = "Particle-tracking toolkit";
+    homepage = "https://github.com/soft-matter/trackpy";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.costrouc ];
+  };
+}