# 'too-many-ancestors' is triggered already by deriving from UserDict
disable=too-few-public-methods,duplicate-code,too-many-ancestors,bad-option-value,no-self-use
# 'too-many-ancestors' is triggered already by deriving from UserDict
disable=too-few-public-methods,duplicate-code,too-many-ancestors,bad-option-value,no-self-use