class_docstr: PEP 302 Loader that wraps Python's "classic" import algorithm
      
code: def _fix_name(self, fullname):
      if fullname is None:
          fullname = self.fullname
      elif fullname != self.fullname:
          raise ImportError(
              "Loader for module %s cannot handle "
              "module %s" % (self.fullname, fullname)
          )
      return fullname
  
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 5 for calling the ImpLoader obj's underlying member method code with example usage: obj._fix_name(fullname) and returns: fullname