def initialize(self, import_func=__import__):
    if (self._module is not None and
        self._module is sys.modules.get(self._modname)):
      return
    try:
      import_func(self._modname)
    except ImportError, err:
      if str(err) != 'No module named %s' % self._modname:
        raise
      self._module = object()
      sys.modules[self._modname] = self._module
    else:
      self._module = sys.modules[self._modname]
Attempt to import the config module, if not already imported.
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/api/lib_config.py/LibConfigRegistry.initialize