diff --git a/ophyd_devices/epics/devices/bec_scaninfo_mixin.py b/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
index 83b6b86..167509f 100644
--- a/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
+++ b/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
@@ -34,6 +34,7 @@ class BECInfoMsgMock:
         self.frames_per_trigger = frames_per_trigger
 
     def get_bec_info_msg(self) -> dict:
+        """Get BECInfoMsg object"""
         info_msg = {
             "RID": self.mockrid,
             "queueID": self.mockqueueid,