[REF] [Import] Strict typing on function that throws an exception if null

diff --git a/CRM/Import/Forms.php b/CRM/Import/Forms.php
index 808149483c3878f5614ab861ae74bcd57e2768e1..b7d15b55d0b487459af3d4fbdcf48c7079027c32 100644 (file)
--- a/CRM/Import/Forms.php
+++ b/CRM/Import/Forms.php
@@ -96,7 +96,7 @@ class CRM_Import_Forms extends CRM_Core_Form {
    *
    * @throws \CRM_Core_Exception
    */
-  protected function getDataSourceClassName(): ?string {
+  protected function getDataSourceClassName(): string {
     $className = CRM_Utils_Request::retrieveValue(
       'dataSource',
       'String'