Encoding of observations in subproc.py had a too strict check on obserrvation type#1273

MischaPanch merged 1 commit intomasterthu-ml/tianshou:masterfrom

bugfix/correct_handling_of_arraylike_obs_in_subprocthu-ml/tianshou:bugfix/correct_handling_of_arraylike_obs_in_subprocCopy head branch name to clipboard