anchor.diff:  , numpy
   , opt-einsum
   , pytestCheckHook
  +, pytest-xdist
   , pythonOlder
   , scipy
   , typing-extensions
  
positive.code:     owner = "google";
      repo = pname;
      rev = "${pname}-v${version}";
      sha256 = "1ky442zi5i8b5mk284s0i7dk8rh6vi9dvyqfscpij88g37clgpp0";
    };
  
    patches = [
  
negative.code: 
  buildPythonPackage rec {
    pname = "jax";
    version = "0.3.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  