error_messages as an dictionary with an entry: value under the 'invalid_date' of errors dictionary for 'invalid', localize set to localize, and an instance of the class TimeField created with 3 arguments: input_formats set to input_time_formats, error_messages as an dictionary with an entry: value under the 'invalid_time' of errors dictionary for 'invalid', localize set to localize call the __init__ method with fields, unpacked list args and unpacked dictionary kwargs from the base class of the SplitDateTimeField class.
super ( SplitDateTimeField , self ) . __init__ ( fields , * args , ** kwargs )