make transformes soft

src/diffusers/pipelines/pipeline_glide.py

@@ -24,11 +24,15 @@ import torch.utils.checkpoint
 from torch import nn
 
 import tqdm
-from transformers import CLIPConfig, CLIPModel, CLIPTextConfig, CLIPVisionConfig, GPT2Tokenizer
-from transformers.activations import ACT2FN
-from transformers.modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling
-from transformers.modeling_utils import PreTrainedModel
-from transformers.utils import ModelOutput, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
+try:
+    from transformers import CLIPConfig, CLIPModel, CLIPTextConfig, CLIPVisionConfig, GPT2Tokenizer
+    from transformers.activations import ACT2FN
+    from transformers.modeling_outputs import BaseModelOutput, BaseModelOutputWithPooling
+    from transformers.modeling_utils import PreTrainedModel
+    from transformers.utils import ModelOutput, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
+except:
+    print("Transformers is not installed")
+    pass
 
 from ..models import GLIDESuperResUNetModel, GLIDETextToImageUNetModel
 from ..pipeline_utils import DiffusionPipeline