Update app.py

app.py

@@ -323,7 +323,7 @@ def reset_cache_image_actu(id,cache_image_actu=cache_image_actu):
     cache_image_actu[f"{id}"].clear()
     return 
 def reset_cache_image_all_sessions(cache_image=cache_image):
-    for key, listT in cache_image:
+    for key, listT in cache_image.items():
         listT.clear()
     return 
     
@@ -338,7 +338,7 @@ def set_session(id):
 def print_info_sessions():
     lenTot=0
     print("numbre of sessions : "+str(len(cache_image)))
-    for key, listT in cache_image:
+    for key, listT in cache_image.items():
         print(key+str(len(listT)))
         lenTot+=len(listT)
     print("images total = "+str(lenTot))