Update app.py

app.py

@@ -49,7 +49,7 @@ def pred(product_name, orientation):
 def combine_videos(video_files, output_folder):
     if not video_files:
         print("No video files to combine.")
-        return None
+        return ""  # 빈 문자열 반환
     
     clips = [VideoFileClip(vf) for vf in video_files]
     final_clip = concatenate_videoclips(clips)
@@ -82,10 +82,11 @@ def pred(product_name, orientation):
         return ["No videos generated. Please try again.", ""]
 
     # 비디오 파일 결합
-    video_path = utils.combine_videos(folder_name)
-    if not os.path.exists(video_path):
-        return ["Failed to combine videos.", ""]
 
+    video_path = combine_videos(video_files, folder_name)
+    if not video_path or not os.path.exists(video_path):
+        return ["Failed to combine videos.", ""]
+    
     return ["\n".join(sentences), video_path]
 
 # Gradio 인터페이스 설정 및 런칭