added exception to read/write set failure in attribute_wrapper set_comm_client function

devices/PCC.py

@@ -130,7 +130,10 @@ class PCC(hardware_device):
 
 		# map the attributes to the OPC ua comm client
 		for i in self.attr_list():
-			i.set_comm_client(self.OPCua_client)
+			try:
+				i.set_comm_client(self.OPCua_client)
+			except:
+				pass
 
 		self.OPCua_client.start()
 

devices/src/attribute_wrapper.py

@@ -138,6 +138,4 @@ class attribute_wrapper(attribute):
 			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
-
-
+			raise Exception("Exception while setting comm_client read/write functions. using pass function instead. %s") from e