[PR #2046] Handle pandas DataFrame conversion to JSON-friendly format #2472

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opened 2026-02-20 17:47:04 -05:00 by yindo · 0 comments
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/2046

State: closed
Merged: No


This pull request enhances the JsonPlusSerializer class to handle the serialization and deserialization of pandas.DataFrame objects. Previously, the class could not serialize pandas.DataFrame objects.

This update improves support for data science workflows where pandas.DataFrame objects need to be serialized or passed between different components.

**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/2046 **State:** closed **Merged:** No --- This pull request enhances the `JsonPlusSerializer` class to handle the serialization and deserialization of `pandas.DataFrame` objects. Previously, the class could not serialize `pandas.DataFrame` objects. This update improves support for data science workflows where `pandas.DataFrame` objects need to be serialized or passed between different components.
yindo added the pull-request label 2026-02-20 17:47:04 -05:00
yindo closed this issue 2026-02-20 17:47:04 -05:00
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Reference: langchain-ai/langgraph#2472