def __init__(self, payload=None, artifacts=None, **kwargs):
    jar_objects, self._library_specs = self._split_jars_and_specs(artifacts or ())
    payload = payload or Payload()
    payload.add_fields({
      'artifacts': JarsField(jar_objects),
    })
    super(ManagedJarDependencies, self).__init__(payload=payload, **kwargs)
Returns an allipse artist for nstd times the standard deviation of this
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/backend/jvm/targets/managed_jar_dependencies.py/ManagedJarDependencies.__init__--crossover with--dataset/ETHPy150Open karlnapf/kameleon-mcmc/kameleon_mcmc/tools/Visualise.py/Visualise.get_gaussian_ellipse_artist