Error with censys_subdomain_finder

[Bars7878]

Hi!
After enable censys when scan perfoms i got error:
Traceback (most recent call last):
File "/usr/share/sniper/plugins/censys-subdomain-finder/censys_subdomain_finder.py", line 3, in
from censys.search import CensysCertificates
ImportError: No module named censys.search

but when i try run script from same folder all works.

Please, help fix this.