You are working on the python-attrs/cattrs repository. The source code is checked out at /testbed at commit…

You are working on the python-attrs/cattrs repository. The source code is checked out at /testbed at commit…: a task in SWE-Lego-RL-2699 (Harbor dataset). I upgraded cattr from 22.2.0 - 23.2.0 and I noticed a difference in behaviour for unstructuring optional generic types.