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langflow-ai / langflow

⛓️ Langflow is a visual framework for building multi-agent and RAG applications. It's open-source, Python-powered, fully customizable, model and vector store agnostic.
http://www.langflow.org
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Bug: NoneType object is not subscriptable with ChatOpenAI + SQLAgent #1427

Open scheung38 opened 4 months ago

scheung38 commented 4 months ago

Describe the bug A clear and concise description of what the bug is.

Browser and Version

To Reproduce Steps to reproduce the behavior:

  1. ChatOpenAI with OpenAI API Key
  2. gpt-4-turbo-preview
  3. 256 tokens
  4. Default

SQLAgent Entered Database URI: postgresql+psycopg2://USER>:<PASSWORD>@<HOST:5432/

Screenshot 2024-02-12 at 14 21 03

Screenshots If applicable, add screenshots to help explain your problem.

Additional context Add any other context about the problem here.

Also are there examples from marketplace to use as starting templates?

dosubot[bot] commented 4 months ago

🤖

Thank you for providing the detailed steps to reproduce the issue. The error message "NoneType object is not subscriptable" typically occurs when you're trying to access an item from a NoneType object, which is not possible. This could be due to a variable or object that is expected to be a certain type (like a list or a dictionary), but is actually None.

Given the steps you've provided, it seems like the error might be occurring when the ChatOpenAI or SQLAgent is trying to access an item from an object that is None. This could be due to a variety of reasons, such as a missing or incorrect OpenAI API Key, an issue with the gpt-4-turbo-preview model, an incorrect token limit, or an issue with the Database URI.

Unfortunately, I can't see the screenshot you've provided, but here are a few things you can check:

  1. Make sure your OpenAI API Key is correct and has the necessary permissions.
  2. Check if the gpt-4-turbo-preview model is available and working as expected.
  3. Try changing the token limit to see if that resolves the issue.
  4. Make sure the Database URI is correct and the database is accessible.

If you're still experiencing the issue after checking these, it would be helpful if you could provide more information about the error. Specifically, the full error message and stack trace, and any additional information about what you're trying to do when the error occurs.

As for your question about examples from the marketplace, I'm afraid I don't have that information. However, you can check the Langflow Marketplace for available examples and templates. Please note that the availability of examples and templates may vary depending on the current state of the marketplace.

I hope this helps! If you have any more questions or need further clarification, feel free to ask. Dosu

Sources

#### About Dosu This response is meant to be useful and save you time. It is **not meant to be a precise solution**, but rather a starting point for your own research. Help me be more useful! Please leave a 👍 if this is helpful and 👎 if it is irrelevant. If you want to continue the conversation, start your reply with @dosu-bot.
mcathena commented 4 months ago

I have the same bug. Did anyone solve this?

ogabrielluiz commented 4 months ago

Hi @scheung38 ! Have you tried without the +psycopg2?

rubrix commented 2 months ago

same bug, without psycopg2

N3XPW commented 1 month ago

Do we have any solution for the problem? Im facing the exact same issue.

HShawnSun commented 1 week ago

same issue here, using ollama + SQLAgent

anovazzi1 commented 6 days ago

Hello, @HShawnSun, Sorry for the delay. What version are you using? Does the error still persist?

HShawnSun commented 6 days ago

I am using the newest downloadable version, and yes, it still persist.

发件人: anovazzi1 @.> 发送时间: 2024年7月1日 15:33 收件人: langflow-ai/langflow @.> 抄送: He SUN (20411847) @.>; Mention @.> 主题: Re: [langflow-ai/langflow] Bug: NoneType object is not subscriptable with ChatOpenAI + SQLAgent (Issue #1427)

Hello, @HShawnSunhttps://github.com/HShawnSun, Sorry for the delay. What version are you using? Does the error still persist?

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anovazzi1 commented 5 days ago

Thanks for the feedback! I'll take a look and fix it ASAP.