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Duplicated from  demo-leaderboard-backend/leaderboard

gradio-templates

/

leaderboard

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Runtime error

as of 25 Feburary 2026, creating a new space with leaderboard template. On first run, not changing anything yet:

===== Application Startup at 2026-02-25 13:10:35 =====

Traceback (most recent call last):
  File "/app/app.py", line 16, in <module>
    from src.display.utils import (
    ...<9 lines>...
    )
  File "/app/src/display/utils.py", line 44, in <module>
    AutoEvalColumn = make_dataclass("AutoEvalColumn", auto_eval_column_dict, frozen=True)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1574, in make_dataclass
    return dataclass(cls, init=init, repr=repr, eq=eq, order=order,
                     unsafe_hash=unsafe_hash, frozen=frozen,
                     match_args=match_args, kw_only=kw_only, slots=slots,
                     weakref_slot=weakref_slot)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1305, in dataclass
    return wrap(cls)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1295, in wrap
    return _process_class(cls, init, repr, eq, order, unsafe_hash,
                          frozen, match_args, kw_only, slots,
                          weakref_slot)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1008, in _process_class
    cls_fields.append(_get_field(cls, name, type, kw_only))
                      ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/dataclasses.py", line 860, in _get_field
    raise ValueError(f'mutable default {type(f.default)} for field '
                     f'{f.name} is not allowed: use default_factory')
ValueError: mutable default <class 'src.display.utils.ColumnContent'> for field model_type_symbol is not allowed: use default_factory
Traceback (most recent call last):
  File "/app/app.py", line 16, in <module>
    from src.display.utils import (
    ...<9 lines>...
    )
  File "/app/src/display/utils.py", line 44, in <module>
    AutoEvalColumn = make_dataclass("AutoEvalColumn", auto_eval_column_dict, frozen=True)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1574, in make_dataclass
    return dataclass(cls, init=init, repr=repr, eq=eq, order=order,
                     unsafe_hash=unsafe_hash, frozen=frozen,
                     match_args=match_args, kw_only=kw_only, slots=slots,
                     weakref_slot=weakref_slot)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1305, in dataclass
    return wrap(cls)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1295, in wrap
    return _process_class(cls, init, repr, eq, order, unsafe_hash,
                          frozen, match_args, kw_only, slots,
                          weakref_slot)
  File "/usr/local/lib/python3.13/dataclasses.py", line 1008, in _process_class
    cls_fields.append(_get_field(cls, name, type, kw_only))
                      ~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/dataclasses.py", line 860, in _get_field
    raise ValueError(f'mutable default {type(f.default)} for field '
                     f'{f.name} is not allowed: use default_factory')
ValueError: mutable default <class 'src.display.utils.ColumnContent'> for field model_type_symbol is not allowed: use default_factory

Currently in this organization as well it is not working with SSE not enabled error.