Fix cli group

[alexviquez]

We migrated from Flask 2.2.5 and the command interface broke. This pull request fixes the issue, and the commands are now functional again

[codecov]

Codecov Report

Merging #419 (78334de) into master (08f59f3) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #419   +/-   ##
=======================================
  Coverage   99.61%   99.61%           
=======================================
  Files          26       26           
  Lines        1046     1046           
  Branches       93       93           
=======================================
  Hits         1042     1042           
  Partials        4        4           

Flag	Coverage Δ
unittests	99.61% <100.00%> (ø)

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Files Changed	Coverage Δ
speid/commands/spei.py	100.00% <100.00%> (ø)

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