class_docstr: Wrap original node for calculating statistic metrics.
class_docstr_tok: ["Wrap","original","node","for","calculating","statistic","metrics","."]
code: def start_ns(self):
      return self.hostnode.start_ns
  
imports: import collections
  import os
  import sys
label_desc: Use image node_id 4 for calling the HostStatisticNode obj's underlying member method code with example usage: obj.start_ns() and returns: self