ModuleNotFoundError: No module named 'langchain_experimental.agents'

[mehulgit]

Followed the following instructions:

python -m pip install langflow -U

python -m langflow run

Get the ModuleNotFoundError: No module named 'langchain_experimental.agents' error

Also installed langchain-experimental using 'pip install langchain-experimental'

[dosubot[bot]]

It looks like the ModuleNotFoundError you're encountering is due to Python not being able to locate the agents module within the langchain_experimental package. Here are a few steps to troubleshoot and potentially resolve this issue:

1. Verify Package Installation: Ensure that langchain_experimental is correctly installed in your Python environment. You can check this by running pip list in your terminal to see if the package is listed.

2. Check Package Structure: Make sure the package name and module path you're trying to import (langchain_experimental.agents) match the installed package's structure. Typos or changes in the package structure could cause this error.

3. Python Environment Compatibility: Confirm you're using a Python environment that supports the required Python versions. langflow specifies compatibility with Python versions >=3.10 and <3.12.

4. Review Dependencies: The langchain-experimental package might have specific dependencies or prerequisites not met in your current environment. Dependencies such as fastapi, httpx, uvicorn, gunicorn, langchain, langchainhub, sqlmodel, pydantic, among others, should be checked for compatibility.

5. Compatibility Issues Between Packages: There might be compatibility issues between different versions of langflow and langchain-experimental. Ensuring that you're using compatible versions of both packages could resolve the issue.

If after following these steps the issue persists, providing more information about your Python environment, the exact versions of langflow and langchain-experimental you're using, and any specific error messages or logs could help in further diagnosing the problem.

Details

Sources

• src/backend/base/langflow/interface/importing/utils.py
• src/backend/langflow/interface/agents/custom.py
• src/backend/base/pyproject.toml
• src/backend/base/pyproject.toml
• docs/docs/getting-started/install-langflow.mdx
• pyproject.toml
• docs/docs/migration/possible-installation-issues.mdx

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[nicoloboschi]

@mehulgit could you retry with the latest version (1.0.5)?

[carlosrcoelho]

Hi @mehulgit,


I hope you're doing well. Just a friendly reminder that if we do not hear back from you within the next 3 days, we will close this issue. If you need more time or further assistance, please let us know.


Thank you for your understanding!

[carlosrcoelho]

Thank you for your contribution! This issue will be closed. If you have any questions or encounter another problem, please open a new issue and we will be ready to assist you.