As of version 24.3.0 (see #627), ExceptionDictTransformer interprets the constructor arguments locals_max_string and locals_max_length as type int | None where None supposedly disables abbreviation or truncation. However, if you set one of those to None, you get a TypeError:

TypeError: '<' not supported between instances of 'NoneType' and 'int'

This is because of the following snippet:

It should contain logic that handles the None case.