# If you remove the __init__.py file, Python will no longer look for submodules inside that directory, so attempts to import the module will fail.
#
# The __init__.py file is usually empty, but can be used to export selected portions of the package under more convenient names, hold convenience functions, etc. Given the example above, the contents of the __init__ module can be accessed as
# http://effbot.org/pyfaq/what-is-init-py-used-for.htm
def check_digest_variables(config):
    return None
