Segfaults when run with python3

[M-Davies]

Running HandRecognition.py with python3 (my current version is 3.8.5) causes a segfault after pressing B to allow the program to capture the background. I have opencv2 installed on my python3 as I can't seem to obtain it for python2
Console output

➜  hand-gesture-recognition-opencv git:(master) ✗ python3 HandRecognition.py 
[1]    38687 segmentation fault  python3 HandRecognition.py
➜  hand-gesture-recognition-opencv git:(master) ✗ 

Logfile

Process:               Python [38687]
Path:                  /Library/Frameworks/Python.framework/Versions/3.8/Resources/Python.app/Contents/MacOS/Python
Identifier:            org.python.python
Version:               3.8.5 (3.8.5)
Code Type:             X86-64 (Native)
Parent Process:        zsh [35284]
Responsible:           Terminal [443]
User ID:               501

Date/Time:             2020-11-09 16:51:20.744 +0000
OS Version:            Mac OS X 10.15.6 (19G2021)
Report Version:        12
Bridge OS Version:     4.6 (17P6610)
Anonymous UUID:        56F97AB2-6B29-99A2-1AFE-B5C310538683

Sleep/Wake UUID:       7BB83DF5-5828-418D-A809-3954DAC85F50

Time Awake Since Boot: 57000 seconds
Time Since Wake:       30000 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Segmentation fault: 11
Termination Reason:    Namespace SIGNAL, Code 0xb
Terminating Process:   exc handler [38687]