object_detection classes not importing

[Carter90]

Traceback (most recent call last):
  File "/SC2/devel/lib/object_detection/Object_Detection.py", line 15, in <module>
    exec(compile(fh.read(), python_script, 'exec'), context)
  File "/SC2/src/object_detection/src/Object_Detection.py", line 6, in <module>
    from Logo_Detection import LogoDetection
ImportError: cannot import name 'LogoDetection' from 'Logo_Detection' (/SC2/devel/lib/object_detection/Logo_Detection.py)

I have some reading to do
http://wiki.ros.org/noetic/Migration
http://wiki.ros.org/python_2_and_3_compatible_code
http://wiki.ros.org/UsingPython3

[Carter90]

FYI I did all the reading and either I had prior taken care of it or we were unaffected by the change they had listed so still unsure