anchor.diff:  { lib
   , buildPythonPackage
  +, cirq-aqt
   , cirq-core
   , cirq-google
  +, cirq-ionq
  +, cirq-pasqal
  +, cirq-rigetti
  +, cirq-web
     # test inputs
   , pytestCheckHook
   }:
  
positive.code:   inherit (cirq-core) version src meta;
  
    propagatedBuildInputs = [
      cirq-core
      cirq-google
    ];
  
    # pythonImportsCheck = [ "cirq" "cirq.Circuit" ];  # cirq's importlib hook doesn't work here
  
negative.code: 
    # Don't run submodule or development tool tests
    disabledTestPaths = [
      "cirq-aqt"
      "cirq-core"
      "cirq-google"
      "cirq-ionq"
      "cirq-pasqal"
      "cirq-rigetti"
      "cirq-web"
      "dev_tools"
    ];
  
  