Found Some Bug in convert2bvh.py, base.py and mocap_workflow.yml

[Vinayky86]

Hello this is not an issue. i found some bug during .bvh export EasyMocap/scripts/postprocess/convert2bvh.py line 155 if isinstance(datas, dict): (actually n was skipped in "isinstance" ) and some issue in thease 2 scripts also. EasyMocap/easymocap/datasets/base.py EasyMocap/config/mocap_workflow.yml "actually i'm not found what is issues in (base.py and mocap_workflow.yml) but after replacing thease with older scripts code is running withought error" new script causes smplmesh error