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DOC: LangGraph.prebuilt functions are not working as given in the documentation #538

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opened 2026-02-20 17:40:37 -05:00 by yindo · 3 comments
yindo commented 2026-02-20 17:40:37 -05:00
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Originally created by @Vishnumundlapudii on GitHub (Mar 28, 2025).

Issue with current documentation:

Hi, I am using the latest version of LangGraph 0.3.21 and I see the prebuilt methods are not working as expected in the documentation. For example: ToolNode, tool_conditions are not working and getting import error stating the unknown location.

Idea or request for content:

No response

Originally created by @Vishnumundlapudii on GitHub (Mar 28, 2025). ### Issue with current documentation: Hi, I am using the latest version of LangGraph 0.3.21 and I see the prebuilt methods are not working as expected in the documentation. For example: ToolNode, tool_conditions are not working and getting import error stating the unknown location. ### Idea or request for content: _No response_
yindo closed this issue 2026-02-20 17:40:37 -05:00
yindo commented 2026-02-20 17:40:38 -05:00
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@hinthornw commented on GitHub (Mar 28, 2025):

did you install the langgraph-prebuilt package?

@hinthornw commented on GitHub (Mar 28, 2025): did you install the `langgraph-prebuilt` package?
yindo commented 2026-02-20 17:40:38 -05:00
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@vbarda commented on GitHub (Mar 28, 2025):

please install langgraph in a fresh virtualenv

@vbarda commented on GitHub (Mar 28, 2025): please install langgraph in a fresh virtualenv
yindo commented 2026-02-20 17:40:38 -05:00
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@Vishnumundlapudii commented on GitHub (Mar 28, 2025):

Thank you for the suggestion. I will try to install it in a fresh
environment and let you know.

Regards,
Vishnu Kumar.

On Fri, Mar 28, 2025 at 11:53 PM Vadym Barda @.***>
wrote:

please install langgraph in a fresh virtualenv

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please install langgraph in a fresh virtualenv

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@Vishnumundlapudii commented on GitHub (Mar 28, 2025): Thank you for the suggestion. I will try to install it in a fresh environment and let you know. Regards, Vishnu Kumar. On Fri, Mar 28, 2025 at 11:53 PM Vadym Barda ***@***.***> wrote: > please install langgraph in a fresh virtualenv > > — > Reply to this email directly, view it on GitHub > <https://github.com/langchain-ai/langgraph/issues/4073#issuecomment-2762117253>, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AH4N65CLFDVHXYVXIMUKBKL2WWHQRAVCNFSM6AAAAAB2AEU6HSVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDONRSGEYTOMRVGM> > . > You are receiving this because you authored the thread.Message ID: > ***@***.***> > [image: vbarda]*vbarda* left a comment (langchain-ai/langgraph#4073) > <https://github.com/langchain-ai/langgraph/issues/4073#issuecomment-2762117253> > > please install langgraph in a fresh virtualenv > > — > Reply to this email directly, view it on GitHub > <https://github.com/langchain-ai/langgraph/issues/4073#issuecomment-2762117253>, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AH4N65CLFDVHXYVXIMUKBKL2WWHQRAVCNFSM6AAAAAB2AEU6HSVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDONRSGEYTOMRVGM> > . > You are receiving this because you authored the thread.Message ID: > ***@***.***> >
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Reference: langchain-ai/langgraph#538
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