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Summary of changes
Changes introduced in this pull request:
This is the minimal fix to clear the state snapshot even if the code previously errors.
Reference issue to close (if applicable)
Closes #1305
Other information and links
A discussion could be started if it would be interesting, necessary or even possible to refactor the sending code.
(e.g. using
Drop
trait on a value returned byStateTree::snapshot
that will take care of clearing the snapshot, thus emulating Go defer).