Traceback (most recent call last):
  File "/tmp/test/lib/python3.9/site-packages/transformers/utils/import_utils.py", line 1817, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
  File "/usr/lib64/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/tmp/test/lib/python3.9/site-packages/transformers/generation/streamers.py", line 231, in <module>
    class AsyncTextIteratorStreamer(TextStreamer):
  File "/tmp/test/lib/python3.9/site-packages/transformers/generation/streamers.py", line 285, in AsyncTextIteratorStreamer
    self, tokenizer: "AutoTokenizer", skip_prompt: bool = False, timeout: float | None = None, **decode_kwargs
TypeError: unsupported operand type(s) for |: 'type' and 'NoneType'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<frozen importlib._bootstrap>", line 1055, in _handle_fromlist
  File "/tmp/test/lib/python3.9/site-packages/transformers/utils/import_utils.py", line 1806, in __getattr__
    value = getattr(module, name)
  File "/tmp/test/lib/python3.9/site-packages/transformers/utils/import_utils.py", line 1805, in __getattr__
    module = self._get_module(self._class_to_module[name])
  File "/tmp/test/lib/python3.9/site-packages/transformers/utils/import_utils.py", line 1819, in _get_module
    raise RuntimeError(
RuntimeError: Failed to import transformers.generation.streamers because of the following error (look up to see its traceback):
unsupported operand type(s) for |: 'type' and 'NoneType'