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-rw-r--r--vendor/sabre/vobject/lib/Recur/EventIterator.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/vendor/sabre/vobject/lib/Recur/EventIterator.php b/vendor/sabre/vobject/lib/Recur/EventIterator.php
index 61f05d7de..55d6e4779 100644
--- a/vendor/sabre/vobject/lib/Recur/EventIterator.php
+++ b/vendor/sabre/vobject/lib/Recur/EventIterator.php
@@ -93,7 +93,7 @@ class EventIterator implements \Iterator
* @param DateTimeZone $timeZone reference timezone for floating dates and
* times
*/
- public function __construct($input, $uid = null, DateTimeZone $timeZone = null)
+ public function __construct($input, $uid = null, ?DateTimeZone $timeZone = null)
{
if (is_null($timeZone)) {
$timeZone = new DateTimeZone('UTC');