bug fix

modelscope/models/nlp/__init__.py

@@ -1,4 +1,3 @@
 from .sequence_classification_model import *  # noqa F403
-from .space.dialog_generation_model import *  # noqa F403
 from .space.dialog_intent_model import *  # noqa F403
 from .text_generation_model import *  # noqa F403

modelscope/pipelines/nlp/__init__.py

@@ -1,4 +1,3 @@
 from .sequence_classification_pipeline import *  # noqa F403
-from .space.dialog_generation_pipeline import *  # noqa F403
 from .space.dialog_intent_pipeline import *  # noqa F403
 from .text_generation_pipeline import *  # noqa F403

modelscope/preprocessors/__init__.py

@@ -6,5 +6,4 @@ from .common import Compose
 from .image import LoadImage, load_image
 from .nlp import *  # noqa F403
 from .nlp import TextGenerationPreprocessor
-from .space.dialog_generation_preprocessor import *  # noqa F403
 from .space.dialog_intent_preprocessor import *  # noqa F403