code: def chrom2x(self, Chrom):
      pass
  
imports: import numpy
  from .base import SkoBase
  from sko.tools import func_transformer
  from abc import ABCMeta, abstractmethod
  from .operators import crossover, mutation, ranking, selection
label_desc: Use image node_id 2 for calling the GeneticAlgorithmBase obj's underlying member method code with example usage: obj.chrom2x(Chrom) without return types