anchor.diff:    src = fetchurl {
       urls = map (n: "${n}.gz") tarballUrls;
       hashOutput = false;
  -    sha256 = "6a3fc2616567f23993984ada3cea97d953a27669ffd1bfbbe961f26e0cf96cc5";
  +    sha256 = "1cb4399394c60a773430ca54848359adcf54fb6f136afdcfcbbe62b5f4245614";
     };
   
     nativeBuildInputs = [
       docbook_xml_dtd_42
       docbook-xsl
       libxslt
  -    python
  +    python3
     ];
   
     buildInputs = [
  
positive.code: }:
  
  let
    name = "tdb-1.3.16";
  
    tarballUrls = [
      "mirror://samba/tdb/${name}.tar"
  
negative.code: , docbook-xsl
  , fetchurl
  , libxslt
  , python3
  , samba_full
  
  , ncurses
  