def get_attrs(self):
self.non_index_axes = []<EOL>self.nan_rep = None<EOL>self.levels = []<EOL>self.index_axes = [a.infer(self)<EOL>for a in self.indexables if a.is_an_indexable]<EOL>self.values_axes = [a.infer(self)<EOL>for a in self.indexables if not a.is_an_indexable]<EOL>self.data_columns = [a.name for a in self.values_axes]<EOL>
retrieve our attributes