Problem on debian

[michalmolenda]

HI. When I install morfologik on debian server on python 3.6 I have errors:

root@whites:/var/www/dev/var/stemming# pip3 install pyMorfologik
Exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/local/lib/python3.6/site-packages/pip/commands/install.py", line 272, in run
with self._build_session(options) as session:
File "/usr/local/lib/python3.6/site-packages/pip/basecommand.py", line 72, in _build_session
insecure_hosts=options.trusted_hosts,
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 329, in init
self.headers["User-Agent"] = user_agent()
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 93, in user_agent
from pip._vendor import distro
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 1050, in
_distro = LinuxDistribution()
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 594, in init
if include_lsb else {}
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 931, in _get_lsb_release_info
raise subprocess.CalledProcessError(code, cmd, stdout, stderr)
subprocess.CalledProcessError: Command 'lsb_release -a' returned non-zero exit status 126.
Traceback (most recent call last):
File "/usr/local/bin/pip3", line 11, in
sys.exit(main())
File "/usr/local/lib/python3.6/site-packages/pip/init.py", line 248, in main
return command.main(cmd_args)
File "/usr/local/lib/python3.6/site-packages/pip/basecommand.py", line 251, in main
timeout=min(5, options.timeout)) as session:
File "/usr/local/lib/python3.6/site-packages/pip/basecommand.py", line 72, in _build_session
insecure_hosts=options.trusted_hosts,
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 329, in init
self.headers["User-Agent"] = user_agent()
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 93, in user_agent
from pip._vendor import distro
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 1050, in
_distro = LinuxDistribution()
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 594, in init
if include_lsb else {}
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/distro.py", line 931, in _get_lsb_release_info
raise subprocess.CalledProcessError(code, cmd, stdout, stderr)
subprocess.CalledProcessError: Command 'lsb_release -a' returned non-zero exit status 126.
root@whites:/var/www/dev/var/stemming#

Do you know what it is?