message: Fix 2.0 nightly package import error caused by lazy-loading change.
diff: @@ -46,7 +46,7 @@ from tensorflow.python.tools import module_util as _module_util
  # Make sure directory containing top level submodules is in
  # the __path__ so that "from tensorflow.foo import bar" works.
  # We're using bitwise, but there's nothing special about that.
  -_API_MODULE = sys.modules[__name__].bitwise # pylint: disable=undefined-variable
  +_API_MODULE = _sys.modules[__name__].bitwise
  _tf_api_dir = _os.path.dirname(_os.path.dirname(_API_MODULE.__file__))
  _current_module = _sys.modules[__name__]
  