Code enhancement for firmware update

Changes:
   - Code enhancement.
     "Redfish Code Update With Multiple Firmware"

Tested: - Ran successfully
     Redfish Code Update With Multiple Firmware
Change-Id: I955e81db5de30f82aa4ec57868c46c0f3cd12b3a
Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
diff --git a/lib/rest_client.robot b/lib/rest_client.robot
index c82087f..2ebbd14 100644
--- a/lib/rest_client.robot
+++ b/lib/rest_client.robot
@@ -372,7 +372,7 @@
     Valid Value  ret.status_code  ${valid_status_codes}
     Delete All Sessions
 
-    [Return]  ${ret.status_code}
+    [Return]  ${ret}
 
 
 Redfish Login