anchor.diff:  , black
   , aiohttp
   , beautifulsoup4
  +, uvicorn
  +, asgiref
  +, aiofiles
   }:
   
   buildPythonPackage rec {
     pname = "datasette";
  -  version = "0.28";
  +  version = "0.29.3";
   
     src = fetchFromGitHub {
       owner = "simonw";
       repo = "datasette";
       rev = version;
  -    sha256 = "1m2s03gyq0ghjc3s0b5snpinisddywpgii2f0zqa3v4ljmzanx7h";
  +    sha256 = "0cib7pd4z240ncck0pskzvizblhwkr42fsjpd719wdxy4scs7yqa";
     };
   
     buildInputs = [ pytestrunner ];
  
positive.code:   propagatedBuildInputs = [
      click
      click-default-group
      sanic
      jinja2
      hupper
      pint
      pluggy
    ];
  
    checkInputs = [
  
negative.code:     aiohttp
      beautifulsoup4
      black
      asgiref
    ];
  
    postConfigure = ''
  