ImportError: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory

Linuxにsstp-serverをインストールするときにpythonエラーが発生しました.ここに以下を記録します.解決策は次のとおりです.
エラーメッセージは次のとおりです.

root@localhost:/opt/sstp-server# sstpd -f /opt/sstp-server/sstp-server.ini -s site1
Traceback (most recent call last):
  File "/usr/local/bin/sstpd", line 10, in 
    sys.exit(run())
  File "/usr/local/lib/python3.6/dist-packages/sstpd/__init__.py", line 8, in run
    from .__main__ import main
  File "/usr/local/lib/python3.6/dist-packages/sstpd/__main__.py", line 15, in 
    from .sstp import SSTPProtocolFactory
  File "/usr/local/lib/python3.6/dist-packages/sstpd/sstp.py", line 14, in 
    from .ppp import PPPDProtocol, PPPDProtocolFactory, is_ppp_control_frame
  File "/usr/local/lib/python3.6/dist-packages/sstpd/ppp.py", line 7, in 
    from .codec import escape, PppDecoder
ImportError: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory

解決策は以下の通り

#     
apt-get install libpython3.6