Raise error for unknown parameters in class ModelConfig(BaseModel)

[Ahmed-Samir11]

After fine-tuning the model on multiple datasets, I tried to predict an image and found out that the predictions are that of the base model. I found out that the issue is a mistake while writing the model parameter:

model = RFDETRBase(num_classes=1, pretrained_weights = 'path/to/checkpoint_best_total.pth')
# incorrect param: pretrained_weights 

model = RFDETRBase(num_classes=1, pretrain_weights = 'path/to/checkpoint_best_total.pth')
# correct param usage: pretrain_weights 

So I added to the 'rfdetr/config.py' a raise error functionality based on pydantic, which states the incorrect parameter and lists the correct available parameters.

• Bug fix (non-breaking change which fixes an issue)

A test case:
Success:

from rfdetr import RFDETRBase
model = RFDETRBase(num_classes=1, pretrain_weights = '/kaggle/input/redetr-tuned/checkpoint_best_total.pth')

Output: Loading pretrain weights

Faliure:

from rfdetr import RFDETRBase
model_2 = RFDETRBase(num_classeseses=1, pretrain_weights = '/kaggle/input/redetr-tuned/checkpoint_best_total.pth')

Output:

ValidationError: 1 validation error for RFDETRBaseConfig
  Value error, Unknown parameter(s): 'num_classeseses'. Available fields are: amp, bbox_reparam, ca_nheads, dec_layers, dec_n_points, device, encoder, gradient_checkpointing, group_detr, hidden_dim, layer_norm, lite_refpoint_refine, num_classes, num_queries, num_select, out_feature_indexes, pretrain_weights, projector_scale, resolution, sa_nheads, two_stage [type=value_error, input_value={'num_classeseses': 1, 'p...ckpoint_best_total.pth'}, input_type=dict]
    For further information visit https://errors.pydantic.dev/2.11/v/value_error

I have also attached the notebook where I tested my work on Kaggle as a PDF.
rf-detr-pr-raisecfcerror.pdf

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[Ahmed-Samir11]

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