True. The post calls out that “you have to recompress the training data for each test document” with zlib (otherwise input_text would taint it), but you can act

True. The post calls out that “you have to recompress the training data for each test document” with zlib (otherwise input_text would taint it), but you can actually call Compress.copy(). zdict was added in Python 3.3, though, so it’s 2012, not 1997. (It might have worked before, just not a part of the official API :-)