diff --git a/python/obitools3/obidms/_obidmscolumn_str.pyx b/python/obitools3/obidms/_obidmscolumn_str.pyx
index 1401141..2cac353 100644
--- a/python/obitools3/obidms/_obidmscolumn_str.pyx
+++ b/python/obitools3/obidms/_obidmscolumn_str.pyx
@@ -50,7 +50,7 @@ cdef class OBIDMS_column_multi_elts_str(OBIDMS_column_multi_elts):
         return result
 
     cpdef object get_line(self, index_t line_nb) :
-        cdef const_char_p value
+        cdef const_char_p value  # @DuplicatedSignature
         cdef object       value_in_result
         cdef dict         result
         cdef index_t      i