hotfix(cli): guard async_subagents kwarg for sdk 0.4.x compat#1931
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Mason Daugherty (mdrxy) merged 1 commit intomainfrom Mar 16, 2026
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hotfix(cli): guard async_subagents kwarg for sdk 0.4.x compat#1931Mason Daugherty (mdrxy) merged 1 commit intomainfrom
async_subagents kwarg for sdk 0.4.x compat#1931Mason Daugherty (mdrxy) merged 1 commit intomainfrom
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Mar 17, 2026
…chain-ai#1931) PR langchain-ai#1758 landed CLI code that passes `async_subagents` to `create_deep_agent()`, but the CLI still pins SDK 0.4.x which doesn't accept that kwarg — meaning even `async_subagents=None` raises `TypeError` at runtime. This switches to a conditional `**kwargs` pattern so the kwarg is only passed when async subagents are actually configured, keeping the CLI compatible with the pinned SDK until 0.5.0 ships.
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PR #1758 landed CLI code that passes
async_subagentstocreate_deep_agent(), but the CLI still pins SDK 0.4.x which doesn't accept that kwarg — meaning evenasync_subagents=NoneraisesTypeErrorat runtime. This switches to a conditional**kwargspattern so the kwarg is only passed when async subagents are actually configured, keeping the CLI compatible with the pinned SDK until 0.5.0 ships.