epydoc warning with @abstractproperry

Question

I dont what I am missing but the following code:

from abc import ABCMeta, abstractproperty

class Abstra(object):
    __metaclass__ = ABCMeta

    def __init__(self):
        self.var = 77

    @abstractproperty
    def varb(self):
        '''
        returns var
        '''

gives the following epydoc error when generating the docs:

/test> epydoc -v abstra.py
+--------------------------------------------------------------------------
| File /test/abstra.py, in abstra.Abstra.varb
|   Warning: Possible mal-formatted field item.
|   Warning: Improper paragraph indentation.
|   

The warning disappears when I change the @abstractproperty decorator to a @property decorator. So my question is whether this a bug or I am missing something?