Python context manager to temporarily disable stderr

with_stderr_off.py

from contextlib import contextmanager

@contextmanager
def stderr_off():
    import sys
    stderr_orig = sys.stderr
    sys.stderr = open('/dev/null', 'w')
    yield
    sys.stderr = stderr_orig

# ...later on...

with stderr_off():
    events = my_calendar.list_events(
        start=local_tz.localize(this_morning).astimezone(pytz.utc),
        end=local_tz.localize(this_evening).astimezone(pytz.utc),
        details=True
    )