in logger.py [0:0]
def _format(self, key, value, ty):
if ty == 'int':
value = int(value)
return f'{key}: {value}'
elif ty == 'float':
return f'{key}: {value:.04f}'
elif ty == 'time':
value = str(datetime.timedelta(seconds=int(value)))
return f'{key}: {value}'
else:
raise f'invalid format type: {ty}'