tf.get_default_session()
Defined in tensorflow/python/framework/ops.py.
Returns the default session for the current thread.
The returned Session will be the innermost session on which a
Session or Session.as_default() context has been entered.
NOTE: The default session is a property of the current thread. If you
create a new thread, and wish to use the default session in that
thread, you must explicitly add a with sess.as_default(): in that
thread's function.
Returns:
The default Session being used in the current thread.