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Fix ImportError: cannot import name 'NoneType' from 'types' on main in Python <= 3.9 #35829

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Fix ImportError: cannot import name 'NoneType' from 'types' on main in Python <= 3.9 #35829

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5 changes: 4 additions & 1 deletion src/transformers/utils/chat_template_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,10 @@
from contextlib import contextmanager
from datetime import datetime
from functools import lru_cache
from types import NoneType
try:
from types import NoneType
except ImportError:
NoneType = type(None)
from typing import Any, Callable, Dict, List, Optional, Tuple, Union, get_args, get_origin, get_type_hints

from packaging import version
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