From ec3ea35744e300fa363be3724f5e6c7b81abe7f1 Mon Sep 17 00:00:00 2001
From: appel_c <christian.appel@psi.ch>
Date: Wed, 7 Feb 2024 17:40:41 +0100
Subject: [PATCH] fix: fixed bec_scaninfo_mixin

---
 ophyd_devices/epics/devices/bec_scaninfo_mixin.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ophyd_devices/epics/devices/bec_scaninfo_mixin.py b/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
index 50cb19b..1bd3985 100644
--- a/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
+++ b/ophyd_devices/epics/devices/bec_scaninfo_mixin.py
@@ -89,9 +89,10 @@ class BecScaninfoMixin:
             messages.ScanStatusMessage: messages.ScanStatusMessage object
         """
         if not self.sim_mode:
-            # TODO what if no scan info is there yet!
             msg = self.device_manager.producer.get(MessageEndpoints.scan_status())
-            return messages.ScanStatusMessage.loads(msg)
+            if not isinstance(msg, messages.ScanStatusMessage):
+                return None
+            return msg
 
         return messages.ScanStatusMessage(
             scanID="1",