(self, fieldname)
Returns the root :class:`whoosh.fst.Node` for the given
        field, if the field has a stored word graph (otherwise raises an
        exception). You can check whether a field has a word graph using
        :meth:`IndexReader.has_word_graph`.
Returns the root :class:`whoosh.fst.Node` for the given
        field, if the field has a stored word graph (otherwise raises an
        exception). You can check whether a field has a word graph using
        :meth:`IndexReader.has_word_graph`.
Returns the root : class : whoosh . fst . Node for the given field if the field has a stored word graph ( otherwise raises an exception ) . You can check whether a field has a word graph using : meth : IndexReader . has_word_graph .
def word_graph(self, fieldname):
        """Returns the root :class:`whoosh.fst.Node` for the given
        field, if the field has a stored word graph (otherwise raises an
        exception). You can check whether a field has a word graph using
        :meth:`IndexReader.has_word_graph`.
        """

        raise KeyError
def word_graph ( self , fieldname ) : raise KeyError