From 1e6da192577060912cc37f2016412bc8cc5135fc Mon Sep 17 00:00:00 2001 From: Nuno Campos Date: Fri, 23 Aug 2024 13:08:56 -0700 Subject: [PATCH] Update libs/langgraph/langgraph/managed/context.py Co-authored-by: William FH <13333726+hinthornw@users.noreply.github.com> --- libs/langgraph/langgraph/managed/context.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libs/langgraph/langgraph/managed/context.py b/libs/langgraph/langgraph/managed/context.py index ecea1ce6b..16dadd93b 100644 --- a/libs/langgraph/langgraph/managed/context.py +++ b/libs/langgraph/langgraph/managed/context.py @@ -36,7 +36,7 @@ class Context(ManagedValue): def enter(cls, config: RunnableConfig, **kwargs: Any) -> Iterator[Self]: with super().enter(config, **kwargs) as self: if self.ctx is None: - raise ValueError("Cannot enter sync context manager.") + raise ValueError("Synchronous context manager not found. Please initialize Context value with a sync context manager, or invoke your graph asynchronously.") ctx = ( self.ctx(config) if signature(self.ctx).parameters.get("config")