You are working on the Flagsmith/flagsmith-engine repository. The source code is checked out at /testbed at…

You are working on the Flagsmith/flagsmith-engine repository. The source code is checked out at /testbed at…: a task in SWE-Lego-RL-2699 (Harbor dataset). Setting a trait to a string of "Nan" when identifying a user causes a 502 error in the Edge API and will cause the detail view of the identity…

The task

Setting a trait to a string of `"Nan"` when identifying a user causes a 502 error in the Edge API and will cause the detail view of the identity to fail to load in the Flagsmith dashboard.

Part of Lego-X/Lego-RL-2699.