No module named 'cached_property'

[hdzhangbao]

Using rllab is resulting me in the following errors: ModuleNotFoundError: No module named 'cached_property'. There is code "from cached_property import cached_property" in the file "E:\anaconda3\envs\mypython\lib\site-packages\rllab\envs\base.py", line 3. Why is that? I need help~~

[wangjw55]

pip install cached_property