[Doctest] GPT2 Config for doctest (#19549)

src/transformers/models/gpt2/configuration_gpt2.py

@@ -117,12 +117,12 @@ class GPT2Config(PretrainedConfig):
     Example:
 
     ```python
-    >>> from transformers import GPT2Model, GPT2Config
+    >>> from transformers import GPT2Config, GPT2Model
 
     >>> # Initializing a GPT2 configuration
     >>> configuration = GPT2Config()
 
-    >>> # Initializing a model from the configuration
+    >>> # Initializing a model (with random weights) from the configuration
     >>> model = GPT2Model(configuration)
 
     >>> # Accessing the model configuration

utils/documentation_tests.txt

@@ -42,6 +42,7 @@ src/transformers/models/dpt/modeling_dpt.py
 src/transformers/models/electra/modeling_electra.py
 src/transformers/models/electra/modeling_tf_electra.py
 src/transformers/models/glpn/modeling_glpn.py
+src/transformers/models/gpt2/configuration_gpt2.py
 src/transformers/models/gpt2/modeling_gpt2.py
 src/transformers/models/gptj/modeling_gptj.py
 src/transformers/models/groupvit/modeling_groupvit.py