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-rw-r--r--app/Statistics/Google/ChartDivorce.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/Statistics/Google/ChartDivorce.php b/app/Statistics/Google/ChartDivorce.php
index 6aa83e6db4..2da03bbfb5 100644
--- a/app/Statistics/Google/ChartDivorce.php
+++ b/app/Statistics/Google/ChartDivorce.php
@@ -86,7 +86,7 @@ class ChartDivorce
*
* @return string
*/
- public function chartDivorce(string $color_from = null, string $color_to = null): string
+ public function chartDivorce(string|null $color_from = null, string|null $color_to = null): string
{
$color_from ??= 'ffffff';
$color_to ??= '84beff';