L2SS-523: fix bugs

tangostationcontrol/tangostationcontrol/devices/beam.py

@@ -105,8 +105,7 @@ class Beam(lofar_device):
 
         return delays
 
-    @staticmethod
-    def _calculate_HBAT_bf_delays(delays: numpy.ndarray):
+    def _calculate_HBAT_bf_delays(self,delays: numpy.ndarray):
         """
         Helper function that converts a signal path delay (in seconds) to an analog beam weight,
         which is a value per tile per dipole per polarisation.
@@ -140,7 +139,7 @@ class Beam(lofar_device):
         for rcu in range(96):
             if mask[rcu]:
                 self._hbat_pointing_direction[rcu] = pointing_direction[rcu]
-                self._hbat_pointing_timestamp[rcu] = timestamp
+                self._hbat_pointing_timestamp[rcu] = timestamp.timestamp()
 
     # --------
     # Commands