pybullet a bit more refactoring, moving around files.

pybullet: move data to pybullet_data package, with getDataPath() method

examples/pybullet/gym/pybullet_envs/baselines/enjoy_pybullet_cartpole.py

@@ -0,0 +1,35 @@
+#add parent dir to find package. Only needed for source code build, pip install doesn't need it.
+import os, inspect
+currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
+parentdir = os.path.dirname(os.path.dirname(currentdir))
+os.sys.path.insert(0,parentdir)
+
+import gym
+
+from baselines import deepq
+from pybullet_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()