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/xhtml2pdf/default.nix

@@ -0,0 +1,57 @@
+{ lib
+, arabic-reshaper
+, buildPythonPackage
+, fetchFromGitHub
+, html5lib
+, pillow
+, pyhanko
+, pypdf3
+, pytestCheckHook
+, python-bidi
+, pythonOlder
+, reportlab
+, svglib
+}:
+
+buildPythonPackage rec {
+  pname = "xhtml2pdf";
+  version = "0.2.7";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  # Tests are only available on GitHub
+  src = fetchFromGitHub {
+    owner = pname;
+    repo = pname;
+    # Currently it is not possible to fetch from version as there is a branch with the same name
+    rev = "afa72cdbbdaf7d459261c1605263101ffcd999af";
+    sha256 = "sha256-plyIM7Ohnp5UBWz/UDTJa1UeWK9yckSZR16wxmLrpnc=";
+  };
+
+  propagatedBuildInputs = [
+    arabic-reshaper
+    html5lib
+    pillow
+    pyhanko
+    pypdf3
+    python-bidi
+    reportlab
+    svglib
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "xhtml2pdf"
+  ];
+
+  meta = with lib; {
+    description = "A PDF generator using HTML and CSS";
+    homepage = "https://github.com/xhtml2pdf/xhtml2pdf";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ ];
+  };
+}