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chore: standardize model not found error (#2964)

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# What does this PR do?
1. Creates a new `ModelNotFoundError` class
2. Implements the new class where appropriate 

Relates to #2379

Signed-off-by: Nathan Weinberg <nweinber@redhat.com>
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Nathan Weinberg 2025-07-30 15:19:53 -04:00 • committed by GitHub
parent 266e2afb9c
commit c5622c79de
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6 changed files with 23 additions and 10 deletions
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8
llama_stack/apis/common/errors.py
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@ -11,3 +11,11 @@ class UnsupportedModelError(ValueError):
def __init__(self, model_name: str, supported_models_list: list[str]):
message = f"'{model_name}' model is not supported. Supported models are: {', '.join(supported_models_list)}"
super().__init__(message)
class ModelNotFoundError(ValueError):
"""raised when Llama Stack cannot find a referenced model"""
def __init__(self, model_name: str) -> None:
message = f"Model '{model_name}' not found. Use client.models.list() to list available models."
super().__init__(message)