`simple_pe.param_est.pe.SimplePESamples` class for samples_dict property
The purpose of this MR is to make the simple_pe.param_est.result.samples_dict
property return a simple_pe.param_est.pe.SimplePESamples
class.
The purpose of this MR is to make the simple_pe.param_est.result.samples_dict
property return a simple_pe.param_est.pe.SimplePESamples
class.