[Doctest] Add configuration_deformable_detr.py (#20273)

* Update configuration_deformable_detr.py comment

* Add DeformableDetrConfig to documentation_tests.txt

src/transformers/models/deformable_detr/configuration_deformable_detr.py

@@ -120,12 +120,12 @@ class DeformableDetrConfig(PretrainedConfig):
     Examples:
 
     ```python
-    >>> from transformers import DeformableDetrModel, DeformableDetrConfig
+    >>> from transformers import DeformableDetrConfig, DeformableDetrModel
 
     >>> # Initializing a Deformable DETR SenseTime/deformable-detr style configuration
     >>> configuration = DeformableDetrConfig()
 
-    >>> # Initializing a model from the SenseTime/deformable-detr style configuration
+    >>> # Initializing a model (with random weights) from the SenseTime/deformable-detr style configuration
     >>> model = DeformableDetrModel(configuration)
 
     >>> # Accessing the model configuration

utils/documentation_tests.txt

@@ -58,6 +58,7 @@ src/transformers/models/deberta/modeling_deberta.py
 src/transformers/models/deberta_v2/configuration_deberta_v2.py
 src/transformers/models/deberta_v2/modeling_deberta_v2.py
 src/transformers/models/decision_transformer/configuration_decision_transformer.py
+src/transformers/models/deformable_detr/configuration_deformable_detr.py
 src/transformers/models/deformable_detr/modeling_deformable_detr.py
 src/transformers/models/deit/configuration_deit.py
 src/transformers/models/deit/modeling_deit.py