avs install error about avs

[xiongyihui]

I've installed avs with no error:

root@ReSpeaker:~# pip install avs
Dowloading/unpacking avs
  Downloading avs-0.0.4-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): requests in /usr/lib/python2.7/site-packages (from avs)
Requirement already satisfied (use --upgrade to upgrade): tornado in /usr/lib/python2.7/site-packages (from avs)
Downloading/unpacking hyper (from avs)
  Downloading hyper-0.7.0-py2.py3-none-any.whl (269kB): 269kB downloaded
Requirement already satisfied (use --upgrade to upgrade): singledispatch in /usr/lib/python2.7/site-packages (from tornado->avs)
Requirement already satisfied (use --upgrade to upgrade): certifi in /usr/lib/python2.7/site-packages (from tornado->avs)
Requirement already satisfied (use --upgrade to upgrade): backports-abc>=0.4 in /usr/lib/python2.7/site-pacages (from tornado->avs)
Downloading/unpacking h2>=2.4,<3.0 (from hyper->avs)
  Downloading h2-2.6.2-py.py3-none-any.whl (71kB): 71kB downloaded
Downloading/unpacking hyperframe>=3.2,<4.0 (from hyer->avs)
  Downloading hyperframe-3.2.0-py2.py3-none-any.whl
Requirement already satisfied (use --upgrade to upgrade): six in /usr/lib/python2.7/site-packages (fom singledispatch->tornado->avs)
Downloading/unpacking hpack>=2.2,<4 (from h2>=2.4,<3.0->hyper->avs)
  Downloading hpack-3.0.0-py2.py3-none-anywhl
Downloading/unpacking enum34>=1.0.4,<2 (from h2>=2.4,<3.0->hyper->avs)
  Downloading enum34-1.1.6-py2-none-any.whl
Installing collected packages: avs, hyper, h2, hyperframe, hpack, enum34
Successfully installed avs hyper h2 hyperframe hpack enum34
Cleaning up...

Maybe run firstboot and reboot, then run pip install avs