L2SS-480: remove tango dformat=image because it is not supported

tangostationcontrol/tangostationcontrol/devices/beam.py

@@ -10,7 +10,7 @@
 import numpy
 import datetime
 from tango.server import attribute, command, device_property
-from tango import AttrWriteType, AttrDataFormat, DebugIt, DevState, DeviceProxy, DevVarStringArray, DevVarFloatArray, DevVarLong64Array, DevVarDoubleArray
+from tango import AttrWriteType, DebugIt, DevState, DeviceProxy, DevVarStringArray, DevVarFloatArray, DevVarLong64Array, DevVarDoubleArray
 
 # Additional import
 from tangostationcontrol.common.entrypoint import entry
@@ -170,7 +170,7 @@ class Beam(lofar_device):
         logger.warning("Restarting device to activate new measures tables")
         restart_python()
     
-    @command(dtype_in=DevVarStringArray, dformat_in=AttrDataFormat.IMAGE, dtype_out=DevVarDoubleArray)
+    @command(dtype_in=DevVarStringArray, dtype_out=DevVarDoubleArray)
     @DebugIt()
     @log_exceptions()
     @only_in_states([DevState.ON])