[FIX] orm.copy(): corrected return value in docstring.

bzr revid: vmt@openerp.com-20111012090357-2lt8md5s37qp2vm1

openerp/osv/orm.py

@@ -4598,7 +4598,7 @@ class BaseModel(object):
         :type default: dictionary
         :param context: context arguments, like lang, time zone
         :type context: dictionary
-        :return: True
+        :return: id of the newly created record
 
         """
         if context is None: