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

@@ -54,15 +54,18 @@ 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. """
 
-    @wraps(func)
-    def inner(self, *args, **kwargs):
-        try:
-            return func(self, *args, **kwargs)
-        except Exception as e:
-            self.error_stream("Caught exception: %s: %s", e.__class__.__name__, e, exc_info=1)
-            raise e
+    def wrapper(func):
+        @wraps(func)
+        def inner(self, *args, **kwargs):
+            try:
+                return func(self, *args, **kwargs)
+            except Exception as e:
+                self.error_stream("Caught exception: %s: %s", e.__class__.__name__, e, exc_info=1)
+                raise e
 
-    return inner
+        return inner
+
+    return wrapper