I try to use colab demo，it's run error 。

[lonesurvivor1984]

I try to use colab demo，it's run error 。
how to fix it?

Animating Character with Driving Video: This might take a few minutes..
/content/first-order-model
---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
<ipython-input-4-76df4023fd33> in <module>
     10 get_ipython().system('cd /content/')
     11 print("Animating Character with Driving Video: This might take a few minutes..")
---> 12 animate_video(character_img, video_driver) # variables are only for showing HTML video
     13 final_video_driver = "/content/vidvid.mp4"
     14 

1 frames
/content/first-order-model/demo.py in <module>
     15 from animate import normalize_kp
     16 
---> 17 import ffmpeg
     18 from os.path import splitext
     19 from shutil import copyfileobj

ModuleNotFoundError: No module named 'ffmpeg'

---------------------------------------------------------------------------
NOTE: If your import is failing due to a missing package, you can
manually install dependencies using either !pip or !apt.

To view examples of installing some common dependencies, click the
"Open Examples" button below.

[lonesurvivor1984]

I changed nothing.

[ricohrh]

pip install ffmpeg