Add python-netifaces module as a dependency
The netifaces module is required, otherwise warpinator won't start, and will probably output:
Traceback (most recent call last):
File "/usr/lib/warpinator/warpinator-launch.py", line 79, in <module>
import prefs
File "/usr/lib/warpinator/prefs.py", line 21, in <module>
import networkmonitor
File "/usr/lib/warpinator/networkmonitor.py", line 5, in <module>
import netifaces
ModuleNotFoundError: No module named 'netifaces'