removed custom exception in favor of ValueError

olclient/common.py

@@ -52,8 +52,6 @@ def add_id(self, id_type, identifier):
     def __repr__(self):
         return '<%s %s>' % (str(self.__class__)[1:-1], self.__dict__)
 
-class SuspiciousAuthorFormatException(Exception):
-    pass
 
 class Author(Entity):
     """Represets a book Author and their identifier on a service
@@ -68,7 +66,7 @@ class Author(Entity):
     def __init__(self, name, identifiers=None, **kwargs):
         super(Author, self).__init__(identifiers=identifiers)
         if ',' in name: 
-            raise SuspiciousAuthorFormatException("{} is not a valid Author name - No commas allowed (first last)".format(name))
+            raise ValueError("{} is not a valid Author name - No commas allowed (first last)".format(name))
         self.name = name
 
         for kwarg in kwargs: