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). Hi, I noticed some issues with Converter.copy() where in some case forbid extra keys or hooks get loss.