Pickled file won't load on Mac/Linux

Question

I have an application that imports data from a pickled file. It works just fine in Windows but Mac and Linux behaviour is odd.

In OS X, the pickled file (file extens

Answer 1

Probably you didn't open the file in binary mode when writing and/or reading the pickled data. In this case newline format conversion will occur, which can break the binary data.

To open a file in binary mode you have to provide "b" as part of the mode string:

char_file = open('pickle.char', 'rb')