class_docstr: PEP 302 Loader that wraps Python's "classic" import algorithm
      
code: def load_module(self, fullname):
      self._reopen()
      try:
          mod = imp.load_module(
              fullname, self.file, self.filename, self.etc
          )
      finally:
          if self.file:
              self.file.close()
      # Note: we don't set __loader__ because we want the module to look
      # normal; i.e. this is just a wrapper for standard import machinery
      return mod
  
imports: from collections import namedtuple
  from functools import singledispatch
  import importlib
  import importlib.util
  import importlib.machinery
  import os
  import os.path
  import sys
  from types import ModuleType
  import warnings
label_desc: Use image node_id 2 for calling the ImpLoader obj's underlying member method code with example usage: obj.load_module(fullname) and returns: mod