Nilaksh

Results 2 issues of Nilaksh

I am using `spacemacs` and whenever I enter symbols from `fileicon`, they change to incorrect ones after a restart. Before restart : ![image](https://user-images.githubusercontent.com/49724493/87245653-bde69380-c464-11ea-98b5-ecf5de9b01b6.png) After restart : ![image](https://user-images.githubusercontent.com/49724493/87245664-d48cea80-c464-11ea-80d1-7259d232d6e3.png) Another weird thing...

running the following demo ``` python examples/demo_Isaac_Gym.py ``` throws up the error ``` Traceback (most recent call last): File "examples/demo_Isaac_Gym.py", line 6, in from elegantrl.train.run import train_and_evaluate ImportError: cannot import...

bug