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Which issue does this PR close?
None
Rationale for this change
We still have many python lints disabled after #1062
Here we enable each of the remaining ones with the necessary code adjustments or add a documentation line for why we are keeping it disabled.
What changes are included in this PR?
Python lints enabled, small code adjustments based on the lints. No functionality of the project should be impacted.
Are there any user-facing changes?
None