Fix lint errors: avoid equality comparisons to `False`
src/osmocom/utils.py:150:8: E712 Avoid equality comparisons to `False`; use `if not signed:` for false checks | 148 | """ 149 | 150 | if signed == False and number < 0: | ^^^^^^^^^^^^^^^ E712 151 | raise ValueError("expecting a positive number") | = help: Replace with `not signed`