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Moving average - no elegible traces defined

When trying to create a moving average on my scatter plots in chart studio, I keep getting the message “Looks like there aren’t any eligible traces defined”. I’ve tried following a template where it works, without success. Here is the plot I’m working on.

What is going wrong? What do I need to do to make my traces elegible? I imported the data using chart_studio.plotly.plot in Python, does that have something to do with the issue?

Here, bumping for help!