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). since the latest cattrs v25.1.0, I am experiencing an AttributeError: type object CLASS has no attribute ' parameters ' when trying to…

The task

since the latest cattrs v25.1.0, I am experiencing an `AttributeError: type object CLASS has no attribute '__parameters__'` when trying to structure attrs classes that are subclasses of one of `collections.abc` or `typing` generic alias types (e.g. `Mapping[str, int]`)

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