anchor.diff:  , openpyxl
   , xlrd
   , h5py
  +, odfpy
   , psycopg2
   , pyshp
   , fonttools
  
positive.code: }:
  buildPythonApplication rec {
    pname = "visidata";
    version = "2.6.1";
  
    src = fetchFromGitHub {
      owner = "saulpw";
      repo = "visidata";
      rev = "v${version}";
      sha256 = "1dmiy87x0yc0d594v3d3km13dl851mx7ym1vgh3bg91llg8ykg33";
    };
  
    propagatedBuildInputs = [
  
negative.code:     tabulate
      wcwidth
      zstandard
      odfpy
      setuptools
    ] ++ lib.optionals withPcap [ dpkt dnslib ];
  
  