update

TEAMModelOS.FunctionV4/CosmosDB/TriggerExam.cs

@@ -23,6 +23,7 @@ using TEAMModelOS.SDK.Models.Cosmos.Student;
 using HTEXLib.Helpers.ShapeHelpers;
 using TEAMModelOS.Models.Dto;
 using TEAMModelOS.SDK.Models.Cosmos.Common;
+using DocumentFormat.OpenXml.Office2010.Excel;
 
 namespace TEAMModelOS.FunctionV4
 {