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Add lru_cache to module_available #8716

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Add lru_cache to module_available #8716

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2 changes: 2 additions & 0 deletions xarray/namedarray/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import sys
import warnings
from collections.abc import Hashable, Iterable, Iterator, Mapping
from functools import lru_cache
from typing import TYPE_CHECKING, Any, TypeVar, cast

import numpy as np
Expand Down Expand Up @@ -32,6 +33,7 @@
T = TypeVar("T")


@lru_cache
def module_available(module: str) -> bool:
"""Checks whether a module is installed without importing it.

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