I'm trying to create a virtual XML file, copy some content to it, then access throw parsing, it may be simple, but every path that I'm trying to use ( like 'mem://mem_test.xml' or '{}'.format(mem _file) ) are not working... What path should I use to access a file in the Virtual Memory?
Code:
    import fs
    import xml.etree.ElementTree as Et

    mem_fs = fs.open_fs('mem://')
    os_fs = fs.open_fs(".")
...