+ j:Rt^RIHt^RIt^RIHtHtRtRtR#)zIf the duration property exists, and it's not a ``default`` object but a ``timedelta`` instance, then it should return a ``duration``, not ``None``. See https://github.com/collective/icalendar/issues/884 ) timedeltaN)EventInvalidCalendarc\4p\^4VR&\P!\4;_uu_4VP RRR4R# +'giR#;i)zThe duration is a duration.durationN)rrpytestraisesrDURATIONevents j/home/ralf/ical-fahrzeuge/venv/lib/python3.14/site-packages/icalendar/tests/test_issue_884_get_duration.pytest_duration_is_a_durationr s< GE!! E*  ' '  ( ' ' 's A A# c\4pVPR\^44VP\^48XgQhR#)rN)raddrr r s r test_duration_is_properly_setrs1 GE IIj)A,' >>Yq\ )) )) __doc__datetimerr icalendarrrr rrr rs  ,*r