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Remove cache in iscoroutinefunction to avoid holding on to refs #5985

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merged 1 commit into from
Mar 24, 2022
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Remove cache in iscoroutinefunction to avoid holding on to refs #5985

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15 changes: 1 addition & 14 deletions distributed/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1124,21 +1124,8 @@ def color_of(x, palette=palette):
return palette[n % len(palette)]


def _iscoroutinefunction(f):
return inspect.iscoroutinefunction(f) or gen.is_coroutine_function(f)


@functools.lru_cache(None)
def _iscoroutinefunction_cached(f):
return _iscoroutinefunction(f)


def iscoroutinefunction(f):
# Attempt to use lru_cache version and fall back to non-cached version if needed
try:
return _iscoroutinefunction_cached(f)
except TypeError: # unhashable type
return _iscoroutinefunction(f)
return inspect.iscoroutinefunction(f) or gen.is_coroutine_function(f)


@contextmanager
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