15 def _indent(indent):  argument
16     return '| ' * indent
22     indent = 0  variable in Timer
29         Timer.indent += 1
31             indent = _indent(Timer.indent - 1) + ' _'
32             Timer.fn('{}\n'.format(_indent(Timer.indent - 1)))
33             Timer.fn('{} start {}\n'.format(indent, self.name))
38             indent = _indent(Timer.indent - 1) + '|_'
40                 indent, self.name, self.elapsed))
41             Timer.fn('{}\n'.format(_indent(Timer.indent - 1)))
42         Timer.indent -= 1