docstr: Returns true if the current distribution has any Python
  modules to install.
code: def has_lib(self):
      """Returns true if the current distribution has any Python
      modules to install."""
      return (
          self.distribution.has_pure_modules()
          or self.distribution.has_ext_modules()
      )
  
imports: import sys
  import sysconfig
  import os
  import re
  from distutils import log
  from distutils.core import Command
  from distutils.debug import DEBUG
  from distutils.sysconfig import get_config_vars
  from distutils.errors import DistutilsPlatformError
  from distutils.file_util import write_file
  from distutils.util import convert_path, subst_vars, change_root
  from distutils.util import get_platform
  from distutils.errors import DistutilsOptionError
  from site import USER_BASE
  from site import USER_SITE
label_desc: Use image node_id 18 for calling the install obj's underlying member method code with example usage: obj.has_lib() and returns: unknown