Various changes in Python code

enabled an automatic merge when all merge checks for 1900c095 pass

aborted the automatic merge because the source branch was updated. Learn more.

added 3 commits

• 1c253e8b - Fix check-firmware.py
• 58275782 - Fix style in make-update-script.py
• 0041d81d - Lint scripts directory as well

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enabled an automatic merge when all merge checks for 0041d81d pass

merged