Fix/deepsource issues

[imkaka]

• Covers all critical issues.
• Some Major issues also.

I will continue with this further.

• refers Fix some (critical) issues discovered by deepsource #919

[Byron]

Thanks a lot for your continued contribution to this project.

Even though I would love to merge, I think it's more important to not break the interface than to satisfy deepsource. Thus I would be great if there could be another solution. Thank you.

[Byron]

Thank a lot for fixing the issue found in first review, your continued effort is much appreciated.

Now it looks like there is only one small fix to be made and conflicts to be resolved before it can be merged.

[codecov-io]

Codecov Report

Merging #952 into master will increase coverage by 0.01%.
The diff coverage is 100%.

@@ Coverage Diff @@## master #952 +/- ##
==========================================
+ Coverage 93.52% 93.53% +0.01% 
==========================================
Files 59 59 Lines 9677 9680 +3 ==========================================
+ Hits 9050 9054 +4 + Misses 627 626 -1

Impacted Files	Coverage Δ
git/cmd.py	82.45% <ø> (ø)	⬆️
git/objects/submodule/base.py	92.89% <100%> (ø)	⬆️
git/test/test_docs.py	99.6% <100%> (ø)	⬆️
git/refs/log.py	93.12% <100%> (+0.05%)	⬆️
git/exc.py	96.42% <100%> (ø)	⬆️
git/diff.py	97.99% <100%> (+0.01%)	⬆️
git/test/test_repo.py	96.9% <0%> (+0.15%)	⬆️

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[Byron]

Thanks a lot for your contribution! I can't wait to see deepsource happy one day :).