anchor.diff:  , pytestCheckHook
   , python
   }:
  +
  +let
  +  visualizationPackages = [
  +    ipywidgets
  +    matplotlib
  +    pillow
  +    pydot
  +    pygments
  +    pylatexenc
  +    seaborn
  +  ];
  +  crosstalkPackages = [ z3 ];
  +  classicalCompilerPackages = [ tweedledum ];
  +in
   
   buildPythonPackage rec {
     pname = "qiskit-terra";
  
positive.code:     retworkx
      scipy
      sympy
      # Optional/visualization inputs
      ipywidgets
      matplotlib
      pillow
      pydot
      pygments
      pylatexenc
      seaborn
    ];
  
  
    # *** Tests ***
    checkInputs = [
      ddt
      hypothesis
      nbformat
      nbconvert
      pytestCheckHook
    ];
  
    pythonImportsCheck = [
      "qiskit"
  
negative.code:     fastjsonschema
      jsonschema
      numpy
      networkx
      ply
      psutil
  