anchor.diff:    ];
   
     checkInputs = [
  +    bokeh
       emcee
       numba
       pytest
  
positive.code: 
  buildPythonPackage rec {
    pname = "arviz";
    version = "0.5.1";
  
    src = fetchFromGitHub {
      owner = "arviz-devs";
      repo = "arviz";
      rev = version;
      sha256 = "0p600cakix24wz2ridnzy6sp3l1p2kr5s60qc7s82wpv7fw0i9ry";
    };
  
    propagatedBuildInputs = [
  
negative.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , bokeh
  , emcee
  , matplotlib
  , netcdf4
  