fix broken tests on 4.4

[zach-iee]

Pull Request check-list

Please make sure to review and check all of these items:

• Does $ tox pass with this change (including linting)?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?
• Was the change added to CHANGES file?

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Description of change

fix broken tests caused by #7 and apply redis#2809

[codecov-commenter]

Codecov Report

Patch coverage: 93.63% and project coverage change: +31.29% 🎉

Comparison is base (e4408a9) 60.21% compared to head (a54865f) 91.51%.

Additional details and impacted files

@@             Coverage Diff             @@
##              4.4      #14       +/-   ##
===========================================
+ Coverage   60.21%   91.51%   +31.29%     
===========================================
  Files         116      116               
  Lines       30281    30271       -10     
===========================================
+ Hits        18234    27702     +9468     
+ Misses      12047     2569     -9478     

Files Changed	Coverage Δ
tests/test_commands.py	90.00% <93.51%> (+21.03%)	⬆️
tests/test_asyncio/test_graph.py	99.23% <100.00%> (+80.69%)	⬆️
tests/test_graph.py	91.58% <100.00%> (+74.40%)	⬆️

... and 79 files with indirect coverage changes

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