fix code style flux (openvinotoolkit#2317)

Author: eaidova

notebooks/flux.1-image-generation/flux.1-image-generation.ipynb

@@ -421,6 +421,7 @@
    ],
    "source": [
     "from notebook_utils import device_widget\n",
+    "\n",
     "device = device_widget(default=\"CPU\", exclude=[\"NPU\"])\n",
     "device"
    ]

notebooks/flux.1-image-generation/flux_helper.py

@@ -381,7 +381,6 @@ def _get_clip_prompt_embeds(
         prompt: Union[str, List[str]],
         num_images_per_prompt: int = 1,
     ):
-
         prompt = [prompt] if isinstance(prompt, str) else prompt
         batch_size = len(prompt)
 

notebooks/flux.1-image-generation/gradio_helper.py

@@ -31,12 +31,10 @@ def infer(prompt, seed=42, randomize_seed=False, width=1024, height=1024, num_in
         return image, seed
 
     with gr.Blocks(css=css) as demo:
-
         with gr.Column(elem_id="col-container"):
             gr.Markdown(f"""# FLUX.1 OpenVINO demo""")
 
             with gr.Row():
-
                 prompt = gr.Text(
                     label="Prompt",
                     show_label=False,
@@ -50,7 +48,6 @@ def infer(prompt, seed=42, randomize_seed=False, width=1024, height=1024, num_in
             result = gr.Image(label="Result", show_label=False)
 
             with gr.Accordion("Advanced Settings", open=False):
-
                 seed = gr.Slider(
                     label="Seed",
                     minimum=0,
@@ -62,7 +59,6 @@ def infer(prompt, seed=42, randomize_seed=False, width=1024, height=1024, num_in
                 randomize_seed = gr.Checkbox(label="Randomize seed", value=True)
 
                 with gr.Row():
-
                     width = gr.Slider(
                         label="Width",
                         minimum=256,