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Cache results of is_torch_tpu_available() #18777

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Sep 1, 2022
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3 changes: 2 additions & 1 deletion src/transformers/utils/import_utils.py
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@
import sys
import warnings
from collections import OrderedDict
from functools import wraps
from functools import lru_cache, wraps
from itertools import chain
from types import ModuleType
from typing import Any
Expand Down Expand Up @@ -414,6 +414,7 @@ def is_ftfy_available():
return _ftfy_available


@lru_cache()
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def is_torch_tpu_available(check_device=True):
"Checks if `torch_xla` is installed and potentially if a TPU is in the environment"
if not _torch_available:
Expand Down