Update app.py

app.py

@@ -656,6 +656,9 @@ def add_song_cover_text(img,artist,song,height,width):
 
 spaces.GPU(300)
 def upscale_image(img,factor):
+
+    global working
+    
     if working:
         return
 
@@ -1292,6 +1295,8 @@ def handle_generation(artist,song,lyrics,height,width):
 
     log(f'CALL handle_generate')
 
+    global working
+    
     if working:
         return