anchor.diff:    propagatedBuildInputs = [
       click
       sqlparse
  -    psycopg2
  +    psycopg
     ];
   
     checkInputs = [
  
positive.code: , buildPythonPackage
  , fetchPypi
  , pytestCheckHook
  , psycopg2
  , click
  , configobj
  , sqlparse
  
negative.code: 
    meta = with lib; {
      description = "Meta-commands handler for Postgres Database";
      homepage = "https://github.com/dbcli/pgspecial";
      license = licenses.bsd3;
      maintainers = with maintainers; [ ];
    };
  }
  