• Operating System version: Ubuntu 14.04
• Firebase SDK version: 2.16.0
• Library version: 2.16.0
• Firebase Product: db module (

[REQUIRED] Step 3: Describe the problem

Please see this: https://stackoverflow.com/questions/54504339/python-firebase-admin-listener-automatically-fires-every-hour

Steps to reproduce:

Please see the example code provided above.
Problem: the .listed causes the entire database to be returned once per hour even when there is no change. Use the sample code provided to reproduce the issue.

Relevant Code:

Please see the code in: https://stackoverflow.com/questions/54504339/python-firebase-admin-listener-automatically-fires-every-hour