L2SS-244: Default to scalar attributes in attribute_wrapper

devices/util/attribute_wrapper.py

@@ -14,14 +14,14 @@ class attribute_wrapper(attribute):
     Wraps all the attributes in a wrapper class to manage most of the redundant code behind the scenes
     """
 
-    def __init__(self, comms_annotation=None, datatype=None, dims=(1,), access=AttrWriteType.READ, init_value=None, **kwargs):
+    def __init__(self, comms_annotation=None, datatype=None, dims=None, access=AttrWriteType.READ, init_value=None, **kwargs):
         """
         wraps around the tango Attribute class. Provides an easier interface for 1d or 2d arrays. Also provides a way to abstract
         managing the communications interface.
 
         comms_annotation: data passed along to the attribute. can be given any form of data. handling is up to client implementation
         datatype: any numpy datatype
-        dims: dimensions of the
+        dims: dimensions of the attribute as a tuple, or None for a scalar.
         init_value: value
         """