lisa.trace: Allow passing basic CM to ComposedCollector
Do not assume all passed context managers are collectors. If they don't have a "NAME" attribute, they will just not be accessible using the Mapping interface, but will still be entered/exited.
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Do not assume all passed context managers are collectors. If they don't have a "NAME" attribute, they will just not be accessible using the Mapping interface, but will still be entered/exited.