Traceback (most recent call last):


 "/home/pi/.local/lib/python3.7/site-packages/mu/modes/python3.py", line 109, in start_kernel

self.repl_kernel_manager.start_kernel()


 "/home/pi/.local/lib/python3.7/site-packages/mu/modes/python3.py", line 42, in start_kernel

kernel_cmd, kw = self.pre_start_kernel(**kw)
AttributeError: 'MuKernelManager' object has no attribute 'pre_start_kernel'

Traceback (most recent call last):


 "/usr/local/lib/python3.7/logging/__init__.py", line 2034, in shutdown

h.close()


 "/usr/local/lib/python3.7/site-packages/airflow/utils/log/s3_task_handler.py", line 76, in close

if self.closed:
AttributeError: 'S3TaskHandler' object has no attribute 'closed'
