removed superfluous in attribute_wrapper write_function()

devices/src/attribute_wrapper.py

@@ -80,11 +80,10 @@ class attribute_wrapper(attribute):
                 """
                 _write_RW writes a value to this attribute
                 """
-                try:
+
                 self.write_function(value)
                 device.value_dict[self] = value
-                except Exception as e:
-                    raise e
+
 
             self.fget = read_RW
             self.fset = write_RW