2DNoisyXORDemo.py doesn't produce expected output

[alexislabat]

Hi,

Thank you for providing this code.
When running examples/2DNoisyXORDemo.py, the produced output is not the same as the output provided in the 2D convolution demo in the README markdown file.

Machine details: MacbookAir 64-bit Intel Core i5 macOS Mojave
Python version 3.9.2

Input:

git clone https://github.com/cair/pyTsetlinMachine.git
cd pyTsetlinMachine/examples
python3 2DNoisyXORDemo.py

Expected Output:

Accuracy: 99.97%

Input Image:

[[0 1 1 0]
 [1 1 0 1]
 [1 0 1 1]
 [0 0 0 1]]

Prediction: 1

Actual Output:

Accuracy: 100.0

Input Image:

[[[0 1 1 0]
  [1 1 0 1]
  [1 0 1 1]
  [0 0 0 1]]]

Prediction: 0