In SFOS, you need to go with the pip install method rather than anaconda. So something like:

. . . whether you do this as a regular user or as root will determine where the module gets installed. And IIRC, there are some switches that may apply to installing as user vs as root. I remember having to try more than one method to finally install python modules, and right now my Xperia X is being super unreliable hardware-wise.