anchor.diff:    };
   
     nativeBuildInputs = [ glibcLocales ];
  -
   
     propagatedBuildInputs = [
       enum34
  
positive.code: { stdenv, buildPythonPackage, fetchPypi, glibcLocales, numpy, pydispatcher, sympy, requests, monty, ruamel_yaml, six, scipy, tabulate, enum34, matplotlib, palettable, spglib, pandas, plotly, networkx }:
  
  buildPythonPackage rec {
    pname = "pymatgen";
  
negative.code:     spglib
      sympy
      tabulate
      uncertainties
    ];
  
    # No tests in pypi tarball.
  