[Python] ipdb: RuntimeWarning: 'ipdb.__main__' found in sys.modules after import of package...

I am using ipdb to debug my python like below:

python -m ipdb my_test.py -d my_input_config -o my_output


and got the following errors:

/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/runpy.py:125: RuntimeWarning: 'ipdb.__main__' found in sys.modules after import of package 'ipdb', but prior to execution of 'ipdb.__main__'; this may result in unpredictable behaviour
warn(RuntimeWarning(msg))


What does this mean and how do I fix this? Thank you!

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