Fixlet to a returned type

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>

diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts
index ba6fd61f106a050516d7df9b6960d7f4cdb044f5..434de010fef13c04d9fbe9a38977153957a5869c 100644 (file)
--- a/src/charging-station/ChargingStation.ts
+++ b/src/charging-station/ChargingStation.ts
@@ -767,7 +767,7 @@ export default class ChargingStation {
     return randomSerialNumberSuffix;
   }
 
-  private getTemplateFromFile(): ChargingStationTemplate {
+  private getTemplateFromFile(): ChargingStationTemplate | null {
     let template: ChargingStationTemplate = null;
     try {
       template = JSON.parse(fs.readFileSync(this.templateFile, 'utf8')) as ChargingStationTemplate;