python - ImportError: No module named bs4 how fix -

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i have next python 2.7 (debian) code 

from bs4 import beautifulsoup yandexdiskexception import yandexdiskexception import random yandexdiskrestclient import yandexdiskrestclient import sys

i try run, message 

root@vps-1074211:/tmp/beautifulsoup4-4.4.0# python /var/vah13/untitled/grep.py traceback (most recent call last):   file "/var/vah13/untitled/grep.py", line 5, in <module>     bs4 import beautifulsoup importerror: no module named bs4

how fix it?

i installed 

pip install beautifulsoup4 apt-get install python-bs4


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