modified attribute wrapper read/write function exception

devices/clients/opcua_connection.py

@@ -142,7 +142,6 @@ class OPCUAConnection(CommClient):
 		MANDATORY function: is used by the attribute wrapper to get read/write functions. must return the read and write functions
 		"""
 
-
 		# process the annotation
 		node = self._setup_annotation(annotation)
 
@@ -202,7 +201,4 @@ class ProtocolAttribute:
 			self.node.set_data_value(opcua.ua.uatypes.Variant(value=value, varianttype=self.ua_type))
 
 
-	def pass_func(self, value=None):
-		pass
-
 

devices/src/attribute_wrapper.py

@@ -130,12 +130,14 @@ class attribute_wrapper(attribute):
 		"""
 		try:
 			self.read_function, self.write_function = client.setup_attribute(self.comms_annotation, self)
-		except:
+		except Exception as e:
 			def pass_func(value=None):
 				pass
-			print("setting comm_client failed. using pass function instead")
+			logger.error("setting comm_client failed. using pass function instead")
 
 			self.read_function = pass_func
 			self.write_function = pass_func
 
+			raise Exception("Exception while setting comm_client read/write functions. using pass function instead. %s") from e
+