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fix(checkpoint-postgres): remove unused _DeltaSnapshot import
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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co-authored by
Claude Sonnet 4.6
parent
13eeb95b9f
commit
1e3a78a2c7
@@ -16,7 +16,7 @@ from langgraph.checkpoint.base import (
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_ChannelWritesHistory,
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get_checkpoint_id,
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)
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from langgraph.checkpoint.serde.types import TASKS, _DeltaSnapshot
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from langgraph.checkpoint.serde.types import TASKS
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from psycopg.types.json import Jsonb
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MetadataInput = dict[str, Any] | None
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