Issue 88 and 120 - Fix

precise/network_runner.py

@@ -68,14 +68,18 @@ class TensorFlowRunner(Runner):
 
 class KerasRunner(Runner):
     def __init__(self, model_name: str):
-        import os
-        os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
         import tensorflow as tf
+        # ISSUE 88 - Following 3 lines added to resolve issue 88 - JM 2020-02-04 per liny90626
+        from tensorflow.python.keras.backend import set_session # ISSUE 88
+        self.sess = tf.Session() # ISSUE 88
+        set_session(self.sess) # ISSUE 88
         self.model = load_precise_model(model_name)
         self.graph = tf.get_default_graph()
 
     def predict(self, inputs: np.ndarray):
+        from tensorflow.python.keras.backend import set_session		# ISSUE 88
         with self.graph.as_default():
+            set_session(self.sess)		# ISSUE 88
             return self.model.predict(inputs)
 
     def run(self, inp: np.ndarray) -> float: