Comparison issue.

[peterlansky]

**Application Name: dupeGuru
Version: 4.3.1
Python: 3.8.13
Operating System: Windows-10-10.0.26200-SP0

Traceback (most recent call last):
File "hscommon\gui\progress_window.py", line 107, in pulse
File "core\app.py", line 332, in _job_error
File "hscommon\jobprogress\performer.py", line 46, in _async_run
File "core\app.py", line 465, in do
File "core\results.py", line 302, in perform_on_marked
File "core\app.py", line 462, in op
File "core\app.py", line 439, in copy_or_move
AttributeError: 'NoneType' object has no attribute 'relative_to'

To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
Comparing 2 large Folders of music files, one 36GB the other 186GB for duplicates.

Screenshots
If applicable, add screenshots to help explain your problem.

** Windows 11 Home

Application Name: dupeGuru
Version: 4.3.1
Python: 3.8.13
Operating System: Windows-10-10.0.26200-SP0

Traceback (most recent call last):
File "hscommon\gui\progress_window.py", line 107, in pulse
File "core\app.py", line 332, in _job_error
File "hscommon\jobprogress\performer.py", line 46, in _async_run
File "core\app.py", line 465, in do
File "core\results.py", line 302, in perform_on_marked
File "core\app.py", line 462, in op
File "core\app.py", line 439, in copy_or_move
AttributeError: 'NoneType' object has no attribute 'relative_to'

Traceback (most recent call last):
File "hscommon\gui\progress_window.py", line 107, in pulse
File "core\app.py", line 332, in _job_error
File "hscommon\jobprogress\performer.py", line 46, in _async_run
File "core\app.py", line 465, in do
File "core\results.py", line 302, in perform_on_marked
File "core\app.py", line 462, in op
File "core\app.py", line 439, in copy_or_move
AttributeError: 'NoneType' object has no attribute 'relative_to'