Fix/python host reference cycle #111
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freaz
approved these changes
Oct 12, 2023
| @@ -68,7 +69,7 @@ class _PerformState: | |||
| security: SecurityValuesMap | |||
| result: Optional[Any] = None | |||
| error: Optional[PerformError] = None | |||
| exception: Optional[UnexpectedError] = None | |||
| exception: Union[None, UnexpectedError, ValidationError] = None | |||
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Description
Fixes Python memory leak caused by creating a reference cycle between wasm Engine and wasm imports/callbacks
Motivation and Context
Discovered during initial performance testing (see #108), this is leaking memory (it's only freed on python process shutdown, which is incorrect)
Types of changes