Traceback (most recent call last):
  File "/home/tonitch/.local/lib/python3.10/site-packages/pudb/__init__.py", line 148, in runscript
    dbg._runscript(mainpyfile)
  File "/home/tonitch/.local/lib/python3.10/site-packages/pudb/debugger.py", line 519, in _runscript
    self.run(statement)
  File "/usr/lib/python3.10/bdb.py", line 597, in run
    exec(cmd, globals, locals)
  File "<string>", line 1, in <module>
  File "main.py", line 65, in <module>
    final_img = convolution(new_image, unit)
  File "main.py", line 41, in convolution
    _sum += mat[mat_row][mat_column] * img_mat[row + diff_row][column + diff_col][0]
IndexError: list index out of range