more meaningless formatting changes

conceptnet5/builders/cli.py

conceptnet5/builders/combine_assertions.py

conceptnet5/builders/morphology.py

conceptnet5/builders/reduce_assoc.py

conceptnet5/db/cli.py

conceptnet5/edges.py

conceptnet5/formats/convert.py

conceptnet5/formats/msgpack_stream.py

conceptnet5/formats/semantic_web.py

conceptnet5/language/lemmatize.py

conceptnet5/language/token_utils.py

conceptnet5/nodes.py

conceptnet5/readers/cc_cedict.py

conceptnet5/readers/cli.py

conceptnet5/readers/conceptnet4.py

conceptnet5/readers/dbpedia.py

conceptnet5/readers/emoji.py

conceptnet5/readers/jmdict.py

conceptnet5/readers/kyoto_yahoo.py

conceptnet5/readers/nadya.py