fix gym/envs/bullet/cartpole_bullet.py (velocity hyperparameter still needs to be tuned)

add enjoy_pybullet_cartpole.py

examples/pybullet/gym/enjoy_pybullet_cartpole.py

@@ -0,0 +1,29 @@
+import gym
+
+from baselines import deepq
+from envs.bullet.cartpole_bullet import CartPoleBulletEnv
+
+def main():
+    env = gym.make('CartPoleBulletEnv-v0')
+    act = deepq.load("cartpole_model.pkl")
+
+    while True:
+        obs, done = env.reset(), False
+        print("obs")
+        print(obs)
+        print("type(obs)")
+        print(type(obs))
+        episode_rew = 0
+        while not done:
+            env.render()
+           
+            o = obs[None]
+            aa = act(o)
+            a = aa[0]
+            obs, rew, done, _ = env.step(a)
+            episode_rew += rew
+        print("Episode reward", episode_rew)
+
+
+if __name__ == '__main__':
+    main()