diff --git a/src/common/DeviceTypes.py b/src/common/DeviceTypes.py
index 1cda1fa21a8a1ba996f5a7797059ebe0ace19318..f692321b4288f34e2269cea7862acf1b75009d15 100644
--- a/src/common/DeviceTypes.py
+++ b/src/common/DeviceTypes.py
@@ -19,6 +19,7 @@ class DeviceTypeEnum(Enum):
     EMULATED_OPEN_LINE_SYSTEM = 'emu-open-line-system'
     EMULATED_PACKET_ROUTER    = 'emu-packet-router'
     EMULATED_PACKET_SWITCH    = 'emu-packet-switch'
+
     DATACENTER                = 'datacenter'
     MICROVAWE_RADIO_SYSTEM    = 'microwave-radio-system'
     OPTICAL_ROADM             = 'optical-roadm'