@ -184,6 +184,13 @@ class MetadataPP(PostProcessor):
for taglist in taglists:
extend(taglist)
tags.sort()
elif all(isinstance(e, dict) for e in tags):
taglists = tags
tags = []
extend = tags.extend
for tagdict in taglists:
extend([x for x in tagdict.values() if x is not None])
fp.write("\n".join(tags) + "\n")