>>> class i: [__classdict__ for x in y]
SystemError: _PyST_GetScope(name='__classdict__') failed: unknown scope in unit <module> (93973616364240); symbols: {'i': 4098}; locals: {}; globals: {}

>>> class i: [__conditional_annotations__ for x in y]
SystemError: _PyST_GetScope(name='__conditional_annotations__') failed: unknown scope in unit <module> (94200568314576); symbols: {'i': 4098}; locals: {}; globals: {}