fix format

Signed-off-by: jiqing-feng <jiqing.feng@intel.com>

Author: jiqing-feng

optimum/exporters/ipex/model_patcher.py

@@ -15,7 +15,6 @@
 from transformers.models.bert.modeling_bert import BertIntermediate
 from transformers.models.falcon.modeling_falcon import FalconDecoderLayer, FalconModel
 from transformers.models.gpt2.modeling_gpt2 import GPT2MLP, GPT2Attention, GPT2Block, GPT2Model
-from transformers.models.gpt2.modeling_gpt2 import GPT2MLP, GPT2Attention, GPT2Block, GPT2Model
 from transformers.models.llama.modeling_llama import (
     LlamaDecoderLayer,
     LlamaModel,
@@ -34,7 +33,6 @@
 from .modeling_utils import (
     _IPEX_MINIMUM_VERSION_FOR_PATCHING,
     _IPEXGPT2MLP,
-    _IPEXGPT2MLP,
     _falcon_model_forward,
     _gpt2_block_forward,
     _gpt2_model_forward,