L2SS-549: Just throw Python exceptions, not directly Tango ones. Keeps the...

L2SS-549: Just throw Python exceptions, not directly Tango ones. Keeps the code more uniform, and avoids having to use the more cumbersome PyTango interface

tangostationcontrol/tangostationcontrol/devices/device_decorators.py

@@ -21,7 +21,7 @@ def only_in_states(allowed_states, log=True):
             if log:
                 logger.warning(f"Illegal command: Function {func.__name__} can only be called in states {allowed_states}. Current state: {self.get_state()}")
 
-            Except.throw_exception(f"IllegalCommand: Function {func.__name__} can only be called in states {allowed_states}. Current state: {self.get_state()}")
+            raise Exception(f"IllegalCommand: Function {func.__name__} can only be called in states {allowed_states}. Current state: {self.get_state()}")
 
         return state_check_wrapper