diff --git a/python/obitools3/parsers/embl_genbank_features.pyx b/python/obitools3/parsers/embl_genbank_features.pyx
index 985b351..a9da744 100755
--- a/python/obitools3/parsers/embl_genbank_features.pyx
+++ b/python/obitools3/parsers/embl_genbank_features.pyx
@@ -11,10 +11,6 @@ import logging
 import re
 from itertools import chain
 
-
-# TODO cython 
-# TODO import Location functions for Genbank stuff (src/obitools/location/__init__.py)
-
         
 _featureMatcher = re.compile(b'^(FT|  )   [^ ].+\n((FT|  )    .+\n)+',re.M)
 _featureCleaner = re.compile(b'^FT',re.M)
@@ -138,7 +134,7 @@ def extractTaxon(bytes text, dict tags):
     s = [s]          
     
     t = set(int(v[6:]) for v in chain(*tuple(f[b'db_xref'] for f in s if b'db_xref' in f)) 
-            if  v[0:6]=='taxon:')
+            if  v[0:6]==b'taxon:')
     if len(t)==1 :
         taxid=t.pop()
         if taxid >=0:
@@ -147,5 +143,3 @@ def extractTaxon(bytes text, dict tags):
     t = set(chain(*tuple(f[b'organism'] for f in s if b'organism' in f))) 
     if len(t)==1:
         tags[b'organism']=t.pop()
-
-