I can display tabsmanager

src/myfasthtml/core/instances.py

@@ -50,6 +50,7 @@ class UniqueInstance(BaseInstance):
     super().__init__(session, prefix, auto_register)
     self._instance = None
 
+
 class MultipleInstance(BaseInstance):
   """
   Base class for instances that can have multiple instances at a time.
@@ -111,3 +112,7 @@ class InstancesManager:
   @staticmethod
   def get_auth_proxy():
     return InstancesManager.get(special_session, Ids.AuthProxy)
+  
+  @staticmethod
+  def reset():
+    return InstancesManager.instances.clear()