Exception in Tkinter callback
Traceback (most recent call last):
File "/usr/lib/python3.8/tkinter/__init__.py", line 1892, in __call__
return self.func(*args)
File "mininet/examples/miniedit.py", line 3163, in xterm
if StrictVersion(MININET_VERSION) > StrictVersion('2.0'):
File "/usr/lib/python3.8/distutils/version.py", line 40, in __init__
self.parse(vstring)
File "/usr/lib/python3.8/distutils/version.py", line 137, in parse
raise ValueError("invalid version number '%s'" % vstring)
ValueError: invalid version number '2.3.0.6'