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langgraph: check for empty checkpoint when creating snapshot tasks

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vbarda
2024-08-22 11:47:36 -04:00
parent a545a70afb
commit 9a306ce931
1 changed files with 2 additions and 2 deletions
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libs/langgraph/langgraph/pregel/__init__.py
+2 -2
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@@ -371,7 +371,7 @@ class Pregel(
saved.metadata if saved else None,
saved.checkpoint["ts"] if saved else None,
saved.parent_config if saved else None,
tasks_w_writes(next_tasks, saved.pending_writes),
tasks_w_writes(next_tasks, saved.pending_writes if saved else None),
)
async def aget_state(self, config: RunnableConfig) -> StateSnapshot:
@@ -402,7 +402,7 @@ class Pregel(
saved.metadata if saved else None,
saved.checkpoint["ts"] if saved else None,
saved.parent_config if saved else None,
tasks_w_writes(next_tasks, saved.pending_writes),
tasks_w_writes(next_tasks, saved.pending_writes if saved else None),
)
def get_state_history(