diff --git a/app-x.py b/app-x.py
index 6ee0365..9db8362 100644
--- a/app-x.py
+++ b/app-x.py
@@ -8,7 +8,7 @@
             with gr.Column():
                 input_videos = gr.File(label="Upload Video", file_count="multiple", file_types=[".mp4", ".mov", ".mpg"])
                 input_project_name = gr.Text(label="Project Name")
-                
+
                 upload_button = gr.Button("Start Upload")
             with gr.Column():
                 output_status = gr.Text(label="Status")
diff --git a/horus/project_manager.py b/horus/project_manager.py
index 709197d..b6571fc 100644
--- a/horus/project_manager.py
+++ b/horus/project_manager.py
@@ -19,4 +19,4 @@ def make_project(project_name: str, project_host_dir="/workspace/horus_inference
         yaml.dump(project_data, f, default_flow_style=False, allow_unicode=True)
 
     print(f"プロジェクトファイルが作成されました: {project_description_file_path}")
-    return project_dir
\ No newline at end of file
+    return project_dir
diff --git a/horus/util.py b/horus/util.py
index 8592023..c7ae6c4 100644
--- a/horus/util.py
+++ b/horus/util.py
@@ -49,8 +49,9 @@ def video_to_images(video_path: str):
 
     return output_dir
 
+
 def natural_sort(file_list):
     def alphanum_key(key):
         filename = os.path.basename(key)
         return [int(text) if text.isdigit() else text for text in re.split(r'(\d+)', filename)]
-    return sorted(file_list, key=alphanum_key)
\ No newline at end of file
+    return sorted(file_list, key=alphanum_key)
diff --git a/horus/video_processing.py b/horus/video_processing.py
index fa51b30..265173b 100644
--- a/horus/video_processing.py
+++ b/horus/video_processing.py
@@ -16,7 +16,7 @@ def make_video_list_file(video_files: list[str]):
         video_path = p.resolve()
 
         f.write(f"file '{video_path}'\n")
-    
+
     return file_name
 
 
@@ -31,7 +31,7 @@ def run_ffmpeg_concat_av1(input_list: str, output_file: str, preset="fast"):
         "-b:v", "500k",
         output_file
     ]
-    
+
     try:
         result = subprocess.run(command, check=True, text=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         print("ffmpegコマンドの実行に成功しました。")
@@ -76,4 +76,3 @@ def video_processing_ui(video_files: list[str], project_name: str):
     run_ffmpeg_timelaps_av1(merge_video_path, timelaps_video_path, 15 * 60)
 
     return video_files
-