Traceback (most recent call last):


 "/home/pc/miniconda3/lib/python3.7/logging/__init__.py", line 766, in _removeHandlerRef


 "/home/pc/miniconda3/lib/python3.7/site-packages/xonsh/__amalgam__.py", line 19689, in trace
TypeError: 'NoneType' object is not callable

Traceback (most recent call last):


 "C:\Users\S10500\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\widgets\ipythonconsole\client.py", line 575, in show_time

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