  
  
  class DateField(Field):
      default_error_messages = {
          'invalid': _('Date has wrong format. Use one of these formats instead: {format}.'),
          'datetime': _('Expected a date but got a datetime.'),
      }
      format = api_settings.DATE_FORMAT
      input_formats = api_settings.DATE_INPUT_FORMATS
  
      def __init__(self, format=empty, input_formats=None, *args, **kwargs):
 
</s> remove         'invalid': _('Time has wrong format. Use one of these formats instead: {format}.'),
 </s> add         'invalid': _("Time has wrong format. Use one of these formats instead: {format}."), </s> remove         'invalid': _('Datetime has wrong format. Use one of these formats instead: {format}.'),
        'date': _('Expected a datetime but got a date.'),
 </s> add         'invalid': _("Datetime has wrong format. Use one of these formats instead: {format}."),
        'date': _("Expected a datetime but got a date."), </s> remove         'not_a_list': _('Expected a list of items but got type `{input_type}`.')
 </s> add         'not_a_list': _("Expected a list of items but got type `{input_type}`.") </s> remove         'not_a_list': _('Expected a list of items but got type `{input_type}`.')
 </s> add         'not_a_list': _("Expected a list of items but got type `{input_type}`.") </s> remove         'invalid_choice': _('`{input}` is not a valid choice.'),
        'not_a_list': _('Expected a list of items but got type `{input_type}`.')
 </s> add         'invalid_choice': _("`{input}` is not a valid choice."),
        'not_a_list': _("Expected a list of items but got type `{input_type}`.")
        'invalid': _("Date has wrong format. Use one of these formats instead: {format}."),
        'datetime': _("Expected a date but got a datetime."),
  
  
  class DateField(Field):
      default_error_messages = {
        'invalid': _("Date has wrong format. Use one of these formats instead: {format}."),
        'datetime': _("Expected a date but got a datetime."),
        'invalid': _("Date has wrong format. Use one of these formats instead: {format}."),
        'datetime': _("Expected a date but got a datetime."),
      }
      format = api_settings.DATE_FORMAT
      input_formats = api_settings.DATE_INPUT_FORMATS
  
      def __init__(self, format=empty, input_formats=None, *args, **kwargs):
keep keep keep keep replace replace keep keep keep keep keep
 use double quotes for user visible strings; end user visible strings in full stops; add some missing translation tags 
rest_framework/fields.py