def cardio_date_converter(raw_value, activity=None):
try:
initial_check_date = arrow.Arrow.strptime(raw_value.strip(),
'%Y-%m-%d')
check_date_strftime = arrow.Arrow.strptime(initial_check_date,
'%Y-%m-%d')
return check_date_strftime
except ValueError:
if raw_value.strip() == '':
return arrow.Arrow.strftime(arrow.now(), '%Y-%m-%d')
else:
raise ConversionFailed('Format is 1999-12-31')
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