Use () syntax behind wrappers for consistency with Tango/SKA wrappers

devices/src/hardware_device.py

@@ -61,7 +61,7 @@ class hardware_device(Device):
 
 		self.value_dict = {i: i.initial_value() for i in self.attr_list()}
 
-	@log_exceptions
+	@log_exceptions()
 	def init_device(self):
 		""" Instantiates the device in the OFF state. """
 
@@ -165,7 +165,7 @@ class hardware_device(Device):
 		"""Method always executed before any TANGO command is executed."""
 		pass
 
-	@log_exceptions
+	@log_exceptions()
 	def delete_device(self):
 		"""Hook to delete resources allocated in init_device.
 

devices/src/lofar_logging.py

@@ -54,9 +54,10 @@ def device_logging_to_python(log_extra: dict = None):
 
     return inner
 
-def log_exceptions(func):
+def log_exceptions():
     """ Decorator that logs all exceptions that the function raises. """
 
+    def wrapper(func):
         @wraps(func)
         def inner(self, *args, **kwargs):
             try:
@@ -66,3 +67,5 @@ def log_exceptions(func):
                 raise e
 
         return inner
+
+    return wrapper