wangweimin a96caa931c maint: move `hold()` to session module 5 lat temu
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__init__.py a96caa931c maint: move `hold()` to session module 5 lat temu
base.py c6da57e1a3 feat: raise SessionClosedException when session close by user 5 lat temu
coroutinebased.py c6da57e1a3 feat: raise SessionClosedException when session close by user 5 lat temu
threadbased.py c6da57e1a3 feat: raise SessionClosedException when session close by user 5 lat temu