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/img2pdf/default.nix

@@ -0,0 +1,65 @@
+{ lib
+, buildPythonPackage
+, isPy27
+, fetchPypi
+, pikepdf
+, pillow
+, stdenv
+, exiftool
+, ghostscript
+, imagemagick
+, mupdf
+, netpbm
+, numpy
+, poppler_utils
+, pytestCheckHook
+, scipy
+}:
+
+buildPythonPackage rec {
+  pname = "img2pdf";
+  version = "0.4.4";
+  disabled = isPy27;
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "8ec898a9646523fd3862b154f3f47cd52609c24cc3e2dc1fb5f0168f0cbe793c";
+  };
+
+  propagatedBuildInputs = [
+    pikepdf
+    pillow
+  ];
+
+  # https://gitlab.mister-muffin.de/josch/img2pdf/issues/128
+  doCheck = !stdenv.isAarch64;
+
+  checkInputs = [
+    exiftool
+    ghostscript
+    imagemagick
+    mupdf
+    netpbm
+    numpy
+    poppler_utils
+    pytestCheckHook
+    scipy
+  ];
+
+  preCheck = ''
+    export img2pdfprog="$out/bin/img2pdf"
+  '';
+
+  disabledTests = [
+    "test_tiff_rgb"
+  ];
+
+  pythonImportsCheck = [ "img2pdf" ];
+
+  meta = with lib; {
+    description = "Convert images to PDF via direct JPEG inclusion";
+    homepage = "https://gitlab.mister-muffin.de/josch/img2pdf";
+    license = licenses.lgpl2;
+    maintainers = with maintainers; [ veprbl dotlambda ];
+  };
+}