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Fix ignored goto when a mixed list of command and state updates is returned from a node (#3038)

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This commit is contained in:
Nuno Campos
2025-01-15 13:39:59 -08:00
committed by GitHub
parent 13c9bfa282 5805e5709a
commit 8bb84c7096
1 changed files with 8 additions and 16 deletions
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libs/langgraph/langgraph/graph/state.py
+8 -16
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@@ -847,14 +847,10 @@ def _control_branch(value: Any) -> Sequence[Union[str, Send]]:
commands: list[Command] = []
if isinstance(value, Command):
commands.append(value)
elif (
isinstance(value, (list, tuple))
and value
and all(isinstance(i, Command) for i in value)
):
commands.extend(value)
else:
return EMPTY_SEQ
elif isinstance(value, (list, tuple)):
for cmd in value:
if isinstance(cmd, Command):
commands.append(cmd)
rtn: list[Union[str, Send]] = []
for command in commands:
if command.graph == Command.PARENT:
@@ -874,14 +870,10 @@ async def _acontrol_branch(value: Any) -> Sequence[Union[str, Send]]:
commands: list[Command] = []
if isinstance(value, Command):
commands.append(value)
elif (
isinstance(value, (list, tuple))
and value
and all(isinstance(i, Command) for i in value)
):
commands.extend(value)
else:
return EMPTY_SEQ
elif isinstance(value, (list, tuple)):
for cmd in value:
if isinstance(cmd, Command):
commands.append(cmd)
rtn: list[Union[str, Send]] = []
for command in commands:
if command.graph == Command.PARENT: