|  | @@ -28,11 +28,16 @@ _LOGGER = logging.getLogger(__name__)
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				|  |  |  
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				|  |  |  
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				|  |  |  def _event_prop_equal(prop_a, prop_b) -> bool:
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				|  |  | +    if isinstance(prop_a, list):
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				|  |  | +        return len(prop_a) == len(prop_b) and all(
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				|  |  | +            _event_prop_equal(*pair) for pair in zip(prop_a, prop_b)
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				|  |  | +        )
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				|  |  |      if isinstance(prop_a, icalendar.prop.vDDDLists):
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				|  |  |          # https://www.kanzaki.com/docs/ical/exdate.html
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				|  |  |          return (
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				|  |  | -            all(_event_prop_equal(*pair) for pair in zip(prop_a.dts, prop_b.dts))
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				|  |  | +            isinstance(prop_b, icalendar.prop.vDDDLists)
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				|  |  |              and len(prop_a.dts) == len(prop_b.dts)
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				|  |  | +            and all(_event_prop_equal(*pair) for pair in zip(prop_a.dts, prop_b.dts))
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				|  |  |              and prop_a.params == prop_b.params
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				|  |  |          )
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				|  |  |      if isinstance(prop_a, (icalendar.prop.vDDDTypes, icalendar.prop.vCategory)):
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