Update app.py

app.py

@@ -60,6 +60,10 @@ def get_video_path_local(model_name, type, prompt):
         video_path_subfolder = os.path.join(model_name, type, '1024x576')
     else:
         video_path_subfolder = os.path.join(model_name, type)
+
+    if model_name=='cogvideo':
+        prompt.replace(".mp4",".gif")
+    
     try:
         return hf_api.hf_hub_download(
             repo_id = repo_id,