FIX: remove SENT_BOUND tokens from melt tagger

gargantext/util/taggers/MeltTagger.py

@@ -104,11 +104,12 @@ class MeltTagger(Tagger):
 
     def tag_text(self, text, lemmatize=False):
         tagged_tokens = self._tag(text)
-        # without lemmatization
         if not lemmatize:
+            # without lemmatization
             for form, tag in tagged_tokens:
+                    if form != "SENT_BOUND":
                         yield (form, self._tag_replacements[tag])
-            return
+        else:
             # with lemmatization
             command_input = ' '.join(
                 '%s/%s' % (token, tag)
@@ -118,6 +119,7 @@ class MeltTagger(Tagger):
             for token in lemmatized.split():
                 if len(token):
                     values = token.split('/')
+                    if values[0] != "SENT_BOUND":
                         yield (values[0], self._tag_replacements[values[1]], values[2].replace('*', ''))