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Mixtral: Fix non-default arg follows default exception (#450)

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Mixtral models throw the following exception
```
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/generate.py", line 119, in <module>
    main(args)
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/generate.py", line 96, in main
    model, tokenizer = load(args.model, tokenizer_config=tokenizer_config)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/utils.py", line 278, in load
    model = load_model(model_path)
            ^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/utils.py", line 221, in load_model
    model_class, model_args_class = _get_classes(config=config)
                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/utils.py", line 46, in _get_classes
    arch = importlib.import_module(f"mlx_lm.models.{model_type}")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1147, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 690, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 940, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/opt/homebrew/anaconda3/lib/python3.11/site-packages/mlx_lm/models/mixtral.py", line 11, in <module>
    @dataclass
     ^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/dataclasses.py", line 1230, in dataclass
    return wrap(cls)
           ^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/dataclasses.py", line 1220, in wrap
    return _process_class(cls, init, repr, eq, order, unsafe_hash,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/homebrew/anaconda3/lib/python3.11/dataclasses.py", line 1027, in _process_class
    _init_fn(all_init_fields,
  File "/opt/homebrew/anaconda3/lib/python3.11/dataclasses.py", line 545, in _init_fn
    raise TypeError(f'non-default argument {f.name!r} '
TypeError: non-default argument 'model_type' follows default argument
```
This commit is contained in:
devonthomas35 2024-02-18 13:30:26 -08:00 committed by GitHub
parent b05907c87e
commit cc671cd1c7
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1 changed files with 2 additions and 2 deletions
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llms/mlx_lm/models/mixtral.py
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@ -10,6 +10,8 @@ from .base import BaseModelArgs
@dataclass
class ModelArgs(BaseModelArgs):
model_type: str
vocab_size: int
vocab_size: int = 32000
max_position_embeddings: int = 4096 * 32
hidden_size: int = 4096
@ -20,8 +22,6 @@ class ModelArgs(BaseModelArgs):
num_key_value_heads: int = 8
num_local_experts: int = 8
rms_norm_eps: float = 1e-5
vocab_size: int
model_type: str
rope_theta: float = 1e6
rope_traditional: bool = False
rope_scaling: Optional[Dict[str, Union[float, str]]] = None