Code style and testing

1 files changed, 3 insertions, 3 deletions

diff --git a/app/Census/AbstractCensusColumn.php b/app/Census/AbstractCensusColumn.php
index 72a4d734c5..5a2676783c 100644
--- a/app/Census/AbstractCensusColumn.php
+++ b/app/Census/AbstractCensusColumn.php
@@ -66,7 +66,7 @@ class AbstractCensusColumn
      *
      * @return Individual|null
      */
-    public function father(Individual $individual)
+    public function father(Individual $individual): ?Individual
     {
         $family = $individual->primaryChildFamily();
 
@@ -84,7 +84,7 @@ class AbstractCensusColumn
      *
      * @return Individual|null
      */
-    public function mother(Individual $individual)
+    public function mother(Individual $individual): ?Individual
     {
         $family = $individual->primaryChildFamily();
 
@@ -102,7 +102,7 @@ class AbstractCensusColumn
      *
      * @return Family|null
      */
-    public function spouseFamily(Individual $individual)
+    public function spouseFamily(Individual $individual): ?Family
     {
         // Exclude families that were created after this census date
         $families = [];