adapt to new async update structure

addams_bec/devices/detector.py

@@ -99,7 +99,8 @@ class Eiger500KSetup(CustomDetectorMixin):
 
         # publish timeseries data
         metadata = self.parent.scaninfo.scan_msg.metadata
-        metadata.update({"async_update": "append", "num_lines": self.parent.roistat.ts_current_point.get()})
+        metadata.update({"async_update": "append", "max_shape": [None, None]})
+
         msg = messages.DeviceMessage(
             signals={
                 self.parent.roistat.roi1.name_.get(): {

addams_bec/scans/fly_scan.py

@@ -136,7 +136,7 @@ class HklFlyScan(AsyncFlyScanBase):
         logger.success(f'{self.scan_name} finished')
 
     def _publish_readbacks(self, device, readbacks):
-        metadata = {"async_update": "append", "num_lines": len(readbacks)}
+        metadata = {"async_update": "append", "max_shape": [None, None]}
         msg = messages.DeviceMessage(
             signals={device: {'value': readbacks} }, metadata=metadata
         )