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Remove unused branch in update_state

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- update_state(None, as_node=None) was not tested/used, and was too similar in behavior to __copy__ / __end__, so removing it
This commit is contained in:
Nuno Campos
2025-06-25 08:38:20 -07:00
parent cb63c1ab72
commit d877ea479b
1 changed files with 0 additions and 44 deletions
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libs/langgraph/langgraph/pregel/__init__.py
-44
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@@ -1490,28 +1490,6 @@ class Pregel(PregelProtocol[StateT, InputT, OutputT], Generic[StateT, InputT, Ou
return patch_checkpoint_map(
next_config, saved.metadata if saved else None
)
# no values, empty checkpoint
if values is None and as_node is None:
if len(updates) > 1:
raise InvalidUpdateError(
"Cannot create empty checkpoint with multiple updates"
)
next_checkpoint = create_checkpoint(checkpoint, None, step)
# copy checkpoint
next_config = checkpointer.put(
checkpoint_config,
next_checkpoint,
{
"source": "update",
"step": step + 1,
"parents": saved.metadata.get("parents", {}) if saved else {},
},
{},
)
return patch_checkpoint_map(
next_config, saved.metadata if saved else None
)
# act as an input
if as_node == INPUT:
@@ -1906,28 +1884,6 @@ class Pregel(PregelProtocol[StateT, InputT, OutputT], Generic[StateT, InputT, Ou
return patch_checkpoint_map(
next_config, saved.metadata if saved else None
)
# no values, empty checkpoint
if values is None and as_node is None:
if len(updates) > 1:
raise InvalidUpdateError(
"Cannot create empty checkpoint with multiple updates"
)
next_checkpoint = create_checkpoint(checkpoint, None, step)
# copy checkpoint
next_config = await checkpointer.aput(
checkpoint_config,
next_checkpoint,
{
"source": "update",
"step": step + 1,
"parents": saved.metadata.get("parents", {}) if saved else {},
},
{},
)
return patch_checkpoint_map(
next_config, saved.metadata if saved else None
)
# act as an input
if as_node == INPUT: