Python version update

[teisnotte]

Hello there,

There's a recent update in python 3.9 where the terminal.py is not compatible, can you update the file? See error below.

14:36:01 - 1 - Calculating parameters
Traceback (most recent call last):
  File "/Users//opt/anaconda3/bin/dphenome", line 654, in <module>
    ret = options.func(options, wdir, project)
  File "/Users//opt/anaconda3/bin/dphenome", line 95, in dstart
    if not doClusterPhenome(project, save_fig_clusters=options.f,
  File "/Users//opt/anaconda3/bin/dphenome", line 355, in doClusterPhenome
    if not RunThread(bclust):
  File "/Users//opt/anaconda3/lib/python3.9/site-packages/ductape/terminal.py", line 66, in RunThread
    if not obj.isAlive():
AttributeError: 'BiologCluster' object has no attribute 'isAlive'

Solution:
https://stackoverflow.com/questions/72925815/heroku-bot-attributeerror-thread-object-has-no-attribute-isalive