Plotly express > All arguments should have the same length

📊 Plotly Python
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Ah that explains it: if you upgrade to 4.8 you should see your original code work :slight_smile:

Here’s the 4.8 announcement that explains the new features, which are basically what you’re trying to use 📣 Announcing Plotly.py 4.8: Plotly Express Support for Wide- and Mixed-Form Data, plus a Pandas backend