  
      'TIME_INPUT_FORMATS': (
          ISO8601,
      ),
      'TIME_OUTPUT_FORMAT': ISO8601,
  }
  
  
  # List of settings that may be in string import notation.
  IMPORT_STRINGS = (
 
</s> remove         ISO8601,
 </s> add         ISO_8601, </s> remove     'DATETIME_OUTPUT_FORMAT': ISO8601,
 </s> add     'DATETIME_FORMAT': ISO_8601, </s> remove         ISO8601,
 </s> add         ISO_8601, </s> remove     'DATE_OUTPUT_FORMAT': ISO8601,
 </s> add     'DATE_FORMAT': ISO_8601, </s> remove         ISO8601,
 </s> add         ISO_8601,
    'TIME_FORMAT': ISO_8601,
  
      'TIME_INPUT_FORMATS': (
          ISO8601,
      ),
    'TIME_FORMAT': ISO_8601,
  }
  
  
  # List of settings that may be in string import notation.
  IMPORT_STRINGS = (
keep keep keep keep replace keep keep keep keep keep
 Clean ups to datetime formatting 
rest_framework/settings.py