Update app.py

app.py

@@ -10,6 +10,7 @@ from diffusers import DiffusionPipeline, FlowMatchEulerDiscreteScheduler, Autoen
 from huggingface_hub import hf_hub_download
 from transformers import CLIPTextModel, CLIPTokenizer,T5EncoderModel, T5TokenizerFast
 from live_preview_helpers import calculate_shift, retrieve_timesteps, flux_pipe_call_that_returns_an_iterable_of_images
+from openai import OpenAI
 
 # 从环境变量中获取 API 密钥
 api_key = os.getenv("MISTRAL_API_KEY")