waiting when setting rf frequency in pySC_interface.py

Author: kparasch

pyaml/external/pySC_interface.py

@@ -51,4 +51,5 @@ def set_rf_main_frequency(self, value: float) -> None:
         if self.rf_plant is None:
             raise PyAMLException("RF plant name was not provided.")
         self.rf_plant.frequency.set(value)
+        time.sleep(self.set_wait_time)
         return