message: removed missed _pred tag
diff: @@ -101,7 +101,7 @@ class within_range_pred:
  # Set Predicates
  -class is_a_member_of_pred:
  +class is_a_member_of:
  """
  A predicate that evaluates if the argument is equivalent to any member in the set
  :param collection: To return true, the predicate must be called on an object that is equivalent to any object in this collection
  