# fixhunt regression fixture: ruff G010, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: no stdout, stderr "/w/prog.py:4: DeprecationWarning: The 'warn' method is deprecated, use 'warning' instead", exit 0
# after the fix: no stdout, stderr "pre-fix", exit 0
# finding 2026-10-17T20-24-12-113Z-iye4-ruff-G010/r1-p007; rule fired 1 time(s) before the fix

import logging
logger = logging.getLogger('test')
warning_prefix = 'pre-'  # Variable containing substring 'warn'
logger.warn(warning_prefix + 'fix')  # Correctly becomes .warning