Mattia Verga added the comment:
I started trying to reproduce this with different Python interpreters and I've
found it now works as expected also with the original one (BTW it was CPython
3.7.6).
I really don't know why it didn't work before. Sorry for the noise.
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New submission from Mattia Verga :
I'm trying to assign a file object to a variable and then pass this variable to
configparse.read_file(), but for some reason that doesn't work:
>>> import configparser
>>> config = configparser.ConfigParser()
>>> co
