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Fix

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This commit is contained in:
Nuno Campos
2024-05-29 16:53:58 -07:00
parent c3f68a6d7e
commit e47a7adb3c
1 changed files with 1 additions and 1 deletions
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langgraph/graph/state.py
+1 -1
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@@ -466,7 +466,7 @@ def _get_channel(
def _is_field_binop(typ: Type[Any]) -> Optional[BinaryOperatorAggregate]:
if hasattr(typ, "__metadata__"):
meta = typ.__metadata__
if len(meta) > 1 and callable(meta[-1]):
if len(meta) >= 1 and callable(meta[-1]):
sig = signature(meta[0])
params = list(sig.parameters.values())
if len(params) == 2 and len(