train_returns and valid_returns seems to be equal

[magienguyen]

Hi,

Thank you for your great work. After train and test with test.py, I got results.npz file. However, the mean of train_returns and valid returns seems to be very similar, the difference is always below 1. I've tried different fast-lr rate 0.1 0.01 0.001 even 10, increased number of batches to 1000, and also different num-step in the test.py. Nevertheless, there is no significant difference between train_returns and valid returns. I tried on halfcheetah-vel and dir environments and the problem occurred in both env. Do you have any suggestions?