https://docs.keeper.io/keeperpam/secrets-manager/developer-sdk-library/python-sdk#generate-a-random-password does not match source code

[namedchris]

• the special_characters kwarg is misnamed to specialCharacters
• the special_character_set swarg is not documented
• the default values documented as 0, but they actually default to None, while 0 and None are handled differently.