[common attributes] Fix previous commit for transfo-xl

transformers/__init__.py

@@ -72,6 +72,7 @@ if is_torch_available():
                                 OpenAIGPTLMHeadModel, OpenAIGPTDoubleHeadsModel,
                                 load_tf_weights_in_openai_gpt, OPENAI_GPT_PRETRAINED_MODEL_ARCHIVE_MAP)
     from .modeling_transfo_xl import (TransfoXLPreTrainedModel, TransfoXLModel, TransfoXLLMHeadModel,
+                                    AdaptiveEmbedding,
                                     load_tf_weights_in_transfo_xl, TRANSFO_XL_PRETRAINED_MODEL_ARCHIVE_MAP)
     from .modeling_gpt2 import (GPT2PreTrainedModel, GPT2Model,
                                 GPT2LMHeadModel, GPT2DoubleHeadsModel,

transformers/tests/modeling_common_test.py

@@ -35,7 +35,7 @@ if is_torch_available():
     import torch
     import numpy as np
 
-    from transformers import (PretrainedConfig, PreTrainedModel,
+    from transformers import (AdaptiveEmbedding, PretrainedConfig, PreTrainedModel,
                                     BertModel, BertConfig, BERT_PRETRAINED_MODEL_ARCHIVE_MAP,
                                     GPT2LMHeadModel, GPT2Config, GPT2_PRETRAINED_MODEL_ARCHIVE_MAP)
 else:
@@ -470,7 +470,7 @@ class CommonTestCases:
                 model = model_class(config)
                 self.assertIsInstance(
                     model.get_input_embeddings(),
-                    torch.nn.Embedding
+                    (torch.nn.Embedding, AdaptiveEmbedding)
                 )
                 model.set_input_embeddings(torch.nn.Embedding(10, 10))
                 x = model.get_output_embeddings()