``|`` or 'or' in parameter documentation
Additional recommendations in the Style Guide https://github.com/python/devguide/pull/1377/ Summary Discourse topic: How should we mark up multiple types in a type field? Currently, the Python docs use | (pipe) character, similar to how you’d annotate a union of types: :param p: A parameter that takes an int or a float argument. :type p: int | float However, the Sphinx docs says to use the word or: :param p: A parameter that takes an int or a float argument....