lint... again

frontend/src/Components/Page/Header/SeriesSearchInput.css

@@ -4,8 +4,8 @@
 }
 
 .loading {
-  display: inline-block;
   position: absolute;
+  display: inline-block;
   margin-left: 5px;
 }
 

frontend/src/Series/Editor/SeriesEditorFooter.js

@@ -313,6 +313,8 @@ class SeriesEditorFooter extends Component {
                 </div>
               );
             }
+
+            return null;
           })
         }
 

frontend/src/Series/Editor/SeriesEditorRow.js

@@ -152,6 +152,8 @@ class SeriesEditorRow extends Component {
                 </TableRowCell>
               );
             }
+
+            return null;
           })
         }
       </TableRow>