Update app.py

app.py

@@ -18,7 +18,7 @@ def get_driven_audio(audio):
 def get_source_image(image):   
         return image
 
-def sadtalker_demo(result_dir='/tmp/'):
+def sadtalker_demo(result_dir='./tmp/'):
 
     sad_talker = SadTalker()
     with gr.Blocks(analytics_enabled=False) as sadtalker_interface: