Hey there 👋

As you may or may not have seen, the fuzz_submodule.py harness has been failing for some time now and I believe it is responisble for the "fuzzing build: failing" status on OSS-Fuzz.

I looked into it and it appears to be an issue with the test implementation, not GitPython.

The changes here should fix the issue causing the failure!

Please see the commit message for additional details.