Is there a way to avoid redundant cast with DictionaryType

[deanm0000]

Is there a way to do

if isinstance(array, pa.DictionaryType) and array.type.value_type:

Right now it's got to be

if isinstance(array.type, pa.DictionaryType)
        and cast(pa.DictionaryType, array.type).value_type

[zen-xu]

You can use TypeGuard