Traceback (most recent call last):


 "/usr/lib/python2.7/dist-packages/spyder/widgets/ipythonconsole/client.py", line 561, in show_time

elapsed_time = time() - self.t0
TypeError: unsupported operand type(s) for -: 'float' and 'NoneType'

Traceback (most recent call last):


 "test.py", line 22, in <module>

wrapper(-1)


 "test.py", line 18, in wrapper

c = 1 + '2'
TypeError: unsupported operand type(s) for +: 'int' and 'str'
