Changed tf compatibility and disabled eager execution

examples/A3C-Gym/simulator.py

@@ -160,6 +160,8 @@ if __name__ == '__main__':
     import random
     import gym
 
+    print("This function is called")
+
     class NaiveSimulator(SimulatorProcess):
         def _build_player(self):
             return gym.make('Breakout-v0')

examples/DeepQNetwork/DQNModel.py

@@ -3,13 +3,14 @@
 
 
 import abc
-import tensorflow as tf
+import tensorflow.compat.v1 as tf
 
 from tensorpack import ModelDesc
 from tensorpack.tfutils import gradproc, optimizer, summary, varreplace
 from tensorpack.tfutils.scope_utils import auto_reuse_variable_scope
 from tensorpack.utils import logger
 
+tf.disable_eager_execution()
 
 class Model(ModelDesc):