Interactive Session tensorflow

[gouti26]

I am running your code with same dataset and getting following problem on my system. I am using Spyder in Anaconda on Winows 10.
I am not sure where i have to put the code to end the session. Please help

C:\Users\goutam.kumar\AppData\Local\Continuum\anaconda3\envs\tensorflow\lib\site-packages\tensorflow\python\client\session.py:1645: UserWarning: An interactive session is already active. This can cause out-of-memory errors in some cases. You must explicitly call InteractiveSession.close() to release resources held by the other session(s).
warnings.warn('An interactive session is already active.