long time chirp user, stumped now

chirpw is set to run

python 2.7 & 3
python  chirpw
WARNING: python-future package is not available; chirp.drivers.anytone778uv requires it
WARNING: python-future package is not available; chirp.drivers.ga510 requires it
Traceback (most recent call last):
  File "chirpw", line 24, in <module>
    from chirp.drivers import *
  File "/home/t500/chirp-daily/chirp/drivers/generic_xml.py", line 17, in <module>
    import libxml2
ImportError: No module named libxml2

but limbxml2 is installed

ideas?