Installing pyfa on ubuntu 18.04+

Sorry for the late response. Below is the error that I am still receiving. It appears to be the same one as before.

pyfa v2.4.0 (git)
EVE Data Version: 1369747 (2018-08-21 20:33:06)

OS version: Linux-4.15.0-34-generic-x86_64-with-Ubuntu-18.04-bionic
Python version: 3.6.6 (default, Sep 12 2018, 18:26:19)
[GCC 8.0.1 20180414 (experimental) [trunk revision 259383]]
wxPython version: 4.0.1 (wxWidgets 3.0.4)
SQLAlchemy version: 1.2.12
Logbook version: 1.4.0
Requests version: 2.18.4
Dateutil version: 2.7.3

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Traceback (most recent call last):
File “/home/viking/bin/pyfa/pyfa.py”, line 131, in
from gui.mainFrame import MainFrame
File “/home/viking/bin/pyfa/gui/mainFrame.py”, line 72, in
from service.update import Update
File “/home/viking/bin/pyfa/service/update.py”, line 33, in
from packaging.version import Version
ModuleNotFoundError: No module named ‘packaging’