diff --git a/python/obitools3/obidms/_obiseq.pyx b/python/obitools3/obidms/_obiseq.pyx
index 11e990e..4eb9ac4 100644
--- a/python/obitools3/obidms/_obiseq.pyx
+++ b/python/obitools3/obidms/_obiseq.pyx
@@ -56,7 +56,7 @@ cdef class OBI_Nuc_Seq(OBI_Seq) :
 
 cdef class OBI_Nuc_Seq_Stored(OBIView_line) :
 
-    # TODO store the str version of column name macros
+    # TODO store the str version of column name macros?
 
     cpdef set_id(self, object id) :
         self[bytes2str(ID_COLUMN)] = id
@@ -80,13 +80,13 @@ cdef class OBI_Nuc_Seq_Stored(OBIView_line) :
         if (type(quality) == list) or (quality is None) :
             self[bytes2str(QUALITY_COLUMN)] = quality
         else :  # Quality is in str form
-            (((self.view).columns)[bytes2str(QUALITY_COLUMN)]).set_str_line(self.index, quality)
+            (((self._view).columns)[bytes2str(QUALITY_COLUMN)]).set_str_line(self._index, quality)
 
     cpdef object get_quality(self) :
         return self[bytes2str(QUALITY_COLUMN)]
 
     cpdef object get_str_quality(self) :
-        return ((self.view).columns)[bytes2str(QUALITY_COLUMN)].get_str_line(self.index)
+        return ((self._view).columns)[bytes2str(QUALITY_COLUMN)].get_str_line(self._index)
 
 #    def __str__(self) :
 #        return self[bytes2str(NUC_SEQUENCE_COLUMN)]    # or not