code: def has_npm(self):
      npmName = self.get_npm_name()
      try:
          check_call([npmName, "--version"])
          return True
      except:
          return False
  
imports: import os
  import sys
  import platform
  import json
  from setuptools import setup, Command
  from setuptools.command.egg_info import egg_info
  from subprocess import check_call
  from distutils import log
  import versioneer
label_desc: Use image node_id 4 for calling the NPM obj's underlying member method code with example usage: obj.has_npm() and returns: True, False