`Traceback (most recent call last):


 "demo_open_interest.py", line 7, in <module>

from cryptofeed.backends.arctic import OpenInterestArctic, TradeArctic, TickerArctic, LiquidationsArctic
ImportError: cannot import name 'LiquidationsArctic'`

Traceback (most recent call last):


 "./manual.py", line 13, in <module>

from tvdb_mp4 import Tvdb_mp4


 "/path/automator_test/tvdb_mp4.py", line 11, in <module>

import tmdbsimple as tmdb 
ImportError: No module named tmdbsimple
